./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/alternating_list-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-properties/alternating_list-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 941f3dd0e4566f414ae914eed10af26405f8e9f2f3d427c146090b07336d2fc2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:08:45,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:08:45,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:08:45,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:08:45,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:08:45,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:08:45,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:08:45,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:08:45,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:08:45,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:08:45,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:08:45,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:08:45,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:08:45,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:08:45,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:08:45,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:08:45,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:08:45,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:08:45,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:08:45,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:08:45,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:08:45,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:08:45,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:08:45,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:08:45,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:08:45,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:08:45,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:08:45,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:08:45,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:08:45,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:08:45,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:08:45,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:08:45,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:08:45,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:08:45,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:08:45,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:08:45,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:08:45,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:08:45,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:08:45,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:08:45,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:08:45,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:08:45,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:08:45,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:08:45,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:08:45,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:08:45,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:08:45,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:08:45,261 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:08:45,261 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:08:45,261 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:08:45,261 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:08:45,262 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:08:45,262 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:08:45,262 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:08:45,262 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:08:45,262 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:08:45,263 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:08:45,263 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:08:45,263 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:08:45,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:08:45,264 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:08:45,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:08:45,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:08:45,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:08:45,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:08:45,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:08:45,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:08:45,265 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:08:45,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:08:45,265 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:08:45,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:08:45,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:08:45,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:08:45,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:08:45,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:08:45,267 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:08:45,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:08:45,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:08:45,267 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:08:45,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:08:45,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:08:45,268 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:08:45,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941f3dd0e4566f414ae914eed10af26405f8e9f2f3d427c146090b07336d2fc2 [2022-11-03 02:08:45,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:08:45,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:08:45,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:08:45,659 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:08:45,661 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:08:45,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/list-properties/alternating_list-1.i [2022-11-03 02:08:45,759 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/data/6d1af3d02/83e10a3e28214af38c9a120b43b94e35/FLAG9cfb2faa1 [2022-11-03 02:08:46,359 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:08:46,360 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/sv-benchmarks/c/list-properties/alternating_list-1.i [2022-11-03 02:08:46,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/data/6d1af3d02/83e10a3e28214af38c9a120b43b94e35/FLAG9cfb2faa1 [2022-11-03 02:08:46,755 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/data/6d1af3d02/83e10a3e28214af38c9a120b43b94e35 [2022-11-03 02:08:46,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:08:46,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:08:46,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:08:46,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:08:46,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:08:46,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:08:46" (1/1) ... [2022-11-03 02:08:46,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14646455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:46, skipping insertion in model container [2022-11-03 02:08:46,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:08:46" (1/1) ... [2022-11-03 02:08:46,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:08:46,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:08:47,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/sv-benchmarks/c/list-properties/alternating_list-1.i[23574,23587] [2022-11-03 02:08:47,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:08:47,360 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:08:47,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/sv-benchmarks/c/list-properties/alternating_list-1.i[23574,23587] [2022-11-03 02:08:47,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:08:47,464 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:08:47,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:47 WrapperNode [2022-11-03 02:08:47,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:08:47,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:08:47,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:08:47,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:08:47,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:47" (1/1) ... [2022-11-03 02:08:47,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:47" (1/1) ... [2022-11-03 02:08:47,546 INFO L138 Inliner]: procedures = 124, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2022-11-03 02:08:47,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:08:47,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:08:47,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:08:47,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:08:47,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:47" (1/1) ... [2022-11-03 02:08:47,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:47" (1/1) ... [2022-11-03 02:08:47,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:47" (1/1) ... [2022-11-03 02:08:47,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:47" (1/1) ... [2022-11-03 02:08:47,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:47" (1/1) ... [2022-11-03 02:08:47,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:47" (1/1) ... [2022-11-03 02:08:47,600 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:47" (1/1) ... [2022-11-03 02:08:47,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:47" (1/1) ... [2022-11-03 02:08:47,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:08:47,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:08:47,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:08:47,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:08:47,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:47" (1/1) ... [2022-11-03 02:08:47,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:08:47,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:08:47,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:08:47,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:08:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-11-03 02:08:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-11-03 02:08:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:08:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:08:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:08:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:08:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:08:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:08:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:08:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:08:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:08:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:08:47,872 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:08:47,875 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:08:47,914 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-11-03 02:08:48,151 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:08:48,205 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:08:48,209 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 02:08:48,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:08:48 BoogieIcfgContainer [2022-11-03 02:08:48,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:08:48,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:08:48,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:08:48,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:08:48,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:08:46" (1/3) ... [2022-11-03 02:08:48,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2893bbb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:08:48, skipping insertion in model container [2022-11-03 02:08:48,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:47" (2/3) ... [2022-11-03 02:08:48,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2893bbb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:08:48, skipping insertion in model container [2022-11-03 02:08:48,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:08:48" (3/3) ... [2022-11-03 02:08:48,232 INFO L112 eAbstractionObserver]: Analyzing ICFG alternating_list-1.i [2022-11-03 02:08:48,257 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:08:48,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:08:48,338 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:08:48,347 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=LoopsAndPotentialCycles, 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;@c59a610, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:08:48,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:08:48,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 24 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:08:48,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 02:08:48,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:48,392 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:08:48,393 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:08:48,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:48,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1696129172, now seen corresponding path program 1 times [2022-11-03 02:08:48,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:48,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75658466] [2022-11-03 02:08:48,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:48,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:48,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:08:48,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:48,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75658466] [2022-11-03 02:08:48,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75658466] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:48,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:08:48,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:08:48,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973713562] [2022-11-03 02:08:48,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:48,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:08:48,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:48,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:08:48,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:08:48,706 INFO L87 Difference]: Start difference. First operand has 26 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 24 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:08:48,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:48,763 INFO L93 Difference]: Finished difference Result 41 states and 57 transitions. [2022-11-03 02:08:48,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:08:48,765 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 02:08:48,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:48,773 INFO L225 Difference]: With dead ends: 41 [2022-11-03 02:08:48,774 INFO L226 Difference]: Without dead ends: 16 [2022-11-03 02:08:48,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:08:48,781 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:48,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:08:48,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-03 02:08:48,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-03 02:08:48,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:08:48,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-03 02:08:48,819 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 10 [2022-11-03 02:08:48,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:48,820 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-03 02:08:48,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:08:48,821 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-03 02:08:48,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:08:48,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:48,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:08:48,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:08:48,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:08:48,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:48,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1961675887, now seen corresponding path program 1 times [2022-11-03 02:08:48,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:48,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56300370] [2022-11-03 02:08:48,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:48,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:48,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:08:48,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:48,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56300370] [2022-11-03 02:08:48,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56300370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:48,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:08:48,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:08:48,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341014952] [2022-11-03 02:08:48,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:48,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:08:48,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:48,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:08:48,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:08:48,963 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:08:48,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:48,991 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2022-11-03 02:08:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:08:48,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:08:48,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:48,997 INFO L225 Difference]: With dead ends: 33 [2022-11-03 02:08:48,997 INFO L226 Difference]: Without dead ends: 25 [2022-11-03 02:08:48,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:08:48,999 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 8 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:48,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 28 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:08:49,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-03 02:08:49,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20. [2022-11-03 02:08:49,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:08:49,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-11-03 02:08:49,005 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 11 [2022-11-03 02:08:49,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:49,005 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-11-03 02:08:49,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:08:49,006 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-03 02:08:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:08:49,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:49,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:08:49,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:08:49,007 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:08:49,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:49,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1961668943, now seen corresponding path program 1 times [2022-11-03 02:08:49,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:49,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059325892] [2022-11-03 02:08:49,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:49,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:49,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:08:49,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:49,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059325892] [2022-11-03 02:08:49,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059325892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:49,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:08:49,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:08:49,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965477297] [2022-11-03 02:08:49,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:49,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:08:49,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:49,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:08:49,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:08:49,368 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:08:49,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:49,498 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2022-11-03 02:08:49,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:08:49,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:08:49,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:49,500 INFO L225 Difference]: With dead ends: 46 [2022-11-03 02:08:49,501 INFO L226 Difference]: Without dead ends: 31 [2022-11-03 02:08:49,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:08:49,503 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:49,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 42 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:08:49,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-03 02:08:49,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 22. [2022-11-03 02:08:49,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:08:49,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-03 02:08:49,531 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 11 [2022-11-03 02:08:49,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:49,532 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-03 02:08:49,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:08:49,532 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-03 02:08:49,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 02:08:49,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:49,533 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:08:49,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:08:49,534 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:08:49,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:49,534 INFO L85 PathProgramCache]: Analyzing trace with hash 499229541, now seen corresponding path program 1 times [2022-11-03 02:08:49,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:49,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686712773] [2022-11-03 02:08:49,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:49,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:08:50,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:50,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686712773] [2022-11-03 02:08:50,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686712773] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:08:50,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670324826] [2022-11-03 02:08:50,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:50,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:08:50,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:08:50,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:08:50,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:08:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:50,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-03 02:08:50,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:08:50,423 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-03 02:08:50,576 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:08:50,577 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 [2022-11-03 02:08:50,586 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-03 02:08:50,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 02:08:50,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:08:50,662 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-03 02:08:50,720 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 treesize of output 16 [2022-11-03 02:08:50,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2022-11-03 02:08:50,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:08:50,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:08:50,798 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_83 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_83) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) is different from false [2022-11-03 02:08:50,835 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_81 Int) (v_ArrVal_83 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_81)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_83) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) is different from false [2022-11-03 02:08:50,902 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:08:50,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 66 [2022-11-03 02:08:50,935 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:08:50,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 60 [2022-11-03 02:08:50,965 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:08:50,966 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 53 treesize of output 67 [2022-11-03 02:08:50,995 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:08:50,996 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 9 treesize of output 8 [2022-11-03 02:08:51,075 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:08:51,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 55 treesize of output 62 [2022-11-03 02:08:51,113 INFO L356 Elim1Store]: treesize reduction 17, result has 64.6 percent of original size [2022-11-03 02:08:51,114 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 143 treesize of output 156 [2022-11-03 02:08:51,127 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 125 treesize of output 117 [2022-11-03 02:08:51,144 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:08:51,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 124 treesize of output 126 [2022-11-03 02:08:51,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 145 treesize of output 137 [2022-11-03 02:08:51,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 120 treesize of output 118 [2022-11-03 02:08:51,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-03 02:08:51,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670324826] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:08:51,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1450091162] [2022-11-03 02:08:51,417 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-11-03 02:08:51,417 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:08:51,421 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:08:51,427 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:08:51,427 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:08:51,507 INFO L356 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-03 02:08:51,508 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 30 [2022-11-03 02:08:51,572 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-03 02:08:51,574 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-03 02:08:51,715 INFO L356 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-03 02:08:51,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-03 02:08:51,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:08:51,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-03 02:08:51,764 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2022-11-03 02:08:51,778 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2022-11-03 02:08:51,791 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-03 02:08:51,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 02:08:51,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:08:51,871 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 31 [2022-11-03 02:08:51,901 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 02:08:52,039 INFO L356 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-03 02:08:52,046 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 62 [2022-11-03 02:08:52,097 INFO L356 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-03 02:08:52,097 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 96 treesize of output 42 [2022-11-03 02:08:52,186 INFO L356 Elim1Store]: treesize reduction 48, result has 37.7 percent of original size [2022-11-03 02:08:52,186 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 46 [2022-11-03 02:08:52,299 INFO L356 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-03 02:08:52,299 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2022-11-03 02:08:52,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-11-03 02:08:52,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:08:52,545 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 02:08:52,546 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 320 treesize of output 323 [2022-11-03 02:08:52,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:08:52,589 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-03 02:08:52,594 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 314 treesize of output 317 [2022-11-03 02:08:52,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:08:52,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:08:52,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:08:52,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:08:52,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:08:52,627 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 02:08:52,627 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 314 treesize of output 295 [2022-11-03 02:08:52,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:08:53,038 INFO L356 Elim1Store]: treesize reduction 70, result has 19.5 percent of original size [2022-11-03 02:08:53,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 529 treesize of output 437 [2022-11-03 02:08:53,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:08:53,118 INFO L356 Elim1Store]: treesize reduction 94, result has 19.7 percent of original size [2022-11-03 02:08:53,119 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 505 treesize of output 476 [2022-11-03 02:08:53,319 INFO L356 Elim1Store]: treesize reduction 234, result has 19.9 percent of original size [2022-11-03 02:08:53,320 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 442 treesize of output 473 [2022-11-03 02:08:53,398 INFO L356 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-03 02:08:53,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 437 treesize of output 443 [2022-11-03 02:08:53,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:08:53,575 INFO L356 Elim1Store]: treesize reduction 288, result has 13.5 percent of original size [2022-11-03 02:08:53,576 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 481 treesize of output 497 [2022-11-03 02:08:54,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:08:54,269 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 16 [2022-11-03 02:08:54,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:08:54,755 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-03 02:08:54,764 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-03 02:08:54,772 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2022-11-03 02:08:54,807 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-03 02:08:54,818 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 02:08:54,860 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-03 02:08:54,861 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 111 [2022-11-03 02:08:54,879 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 74 treesize of output 81 [2022-11-03 02:08:54,916 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-03 02:08:54,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 68 [2022-11-03 02:08:55,005 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:08:55,022 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:08:55,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-03 02:08:55,062 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:08:55,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-03 02:08:55,081 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:08:55,139 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-03 02:08:55,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-03 02:08:55,161 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2022-11-03 02:08:55,336 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-03 02:08:55,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 161 treesize of output 153 [2022-11-03 02:08:55,390 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-03 02:08:55,390 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 149 treesize of output 141 [2022-11-03 02:08:55,453 INFO L356 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-03 02:08:55,454 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 133 treesize of output 139 [2022-11-03 02:08:56,164 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-03 02:08:56,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 260 treesize of output 254 [2022-11-03 02:08:56,238 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-03 02:08:56,239 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 224 treesize of output 218 [2022-11-03 02:08:56,387 INFO L356 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2022-11-03 02:08:56,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 149 treesize of output 194 [2022-11-03 02:08:56,508 INFO L356 Elim1Store]: treesize reduction 99, result has 20.8 percent of original size [2022-11-03 02:08:56,508 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 182 treesize of output 205 [2022-11-03 02:08:56,630 INFO L356 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-11-03 02:08:56,630 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 134 treesize of output 170 [2022-11-03 02:09:12,769 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:12,770 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:09:12,782 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:12,803 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:12,804 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 15 [2022-11-03 02:09:12,903 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:12,904 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:09:12,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:12,944 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:12,945 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 15 [2022-11-03 02:09:13,055 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:13,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 265 treesize of output 268 [2022-11-03 02:09:13,075 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:13,192 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:09:13,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 251 treesize of output 245 [2022-11-03 02:09:13,351 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:13,352 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:09:13,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:13,392 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:13,393 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 15 [2022-11-03 02:09:13,595 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:13,641 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:13,701 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:13,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:09:13,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:13,743 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:13,743 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 15 [2022-11-03 02:09:13,827 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:13,903 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:13,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:09:13,918 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:13,943 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:13,944 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 15 [2022-11-03 02:09:14,268 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:14,268 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:09:14,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:14,306 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:14,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 15 [2022-11-03 02:09:14,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:14,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:14,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:14,582 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:14,644 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:14,645 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:09:14,657 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:14,686 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:14,688 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 15 [2022-11-03 02:09:14,780 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:14,780 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:09:14,793 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:14,816 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:14,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 15 [2022-11-03 02:09:14,890 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:14,965 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:15,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:15,105 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:15,249 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:15,249 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:09:15,262 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:15,291 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:15,292 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 15 [2022-11-03 02:09:15,359 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:15,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:09:15,380 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:15,404 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:15,404 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 15 [2022-11-03 02:09:15,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:15,532 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:15,622 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:15,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:15,746 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:15,786 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:15,839 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:15,839 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:09:15,853 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:15,876 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:15,877 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 15 [2022-11-03 02:09:15,968 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:16,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:16,075 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:16,147 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:16,147 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:09:16,161 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:16,184 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:16,184 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 15 [2022-11-03 02:09:16,356 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:16,356 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:09:16,372 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:16,396 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:16,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 15 [2022-11-03 02:09:16,474 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:16,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:09:16,490 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:16,515 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:16,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 15 [2022-11-03 02:09:16,593 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:16,648 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-03 02:09:16,648 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 02:09:16,664 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:16,685 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:16,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 15 [2022-11-03 02:09:18,679 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:09:25,368 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '367#(and (= 3 (select (select |#memory_int| |ULTIMATE.start_main_~t~0#1.base|) |ULTIMATE.start_main_~t~0#1.offset|)) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~flag~0#1| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1)) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 02:09:25,368 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:09:25,369 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:09:25,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2022-11-03 02:09:25,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550295623] [2022-11-03 02:09:25,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:09:25,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-03 02:09:25,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:09:25,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-03 02:09:25,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=570, Unknown=4, NotChecked=98, Total=756 [2022-11-03 02:09:25,371 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 17 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:09:25,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:09:25,634 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2022-11-03 02:09:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:09:25,635 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 17 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 02:09:25,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:09:25,639 INFO L225 Difference]: With dead ends: 38 [2022-11-03 02:09:25,639 INFO L226 Difference]: Without dead ends: 36 [2022-11-03 02:09:25,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=105, Invalid=711, Unknown=4, NotChecked=110, Total=930 [2022-11-03 02:09:25,642 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 12 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 53 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:09:25,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 96 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 122 Invalid, 0 Unknown, 53 Unchecked, 0.2s Time] [2022-11-03 02:09:25,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-03 02:09:25,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 31. [2022-11-03 02:09:25,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:09:25,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2022-11-03 02:09:25,652 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 15 [2022-11-03 02:09:25,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:09:25,653 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2022-11-03 02:09:25,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 17 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:09:25,653 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-11-03 02:09:25,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 02:09:25,654 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:09:25,654 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:09:25,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:09:25,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:09:25,861 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:09:25,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:09:25,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1878812037, now seen corresponding path program 2 times [2022-11-03 02:09:25,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:09:25,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069276675] [2022-11-03 02:09:25,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:09:25,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:09:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:09:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:09:26,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:09:26,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069276675] [2022-11-03 02:09:26,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069276675] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:09:26,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211498205] [2022-11-03 02:09:26,541 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:09:26,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:09:26,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:09:26,542 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:09:26,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:09:26,661 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-03 02:09:26,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:09:26,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-03 02:09:26,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:09:26,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-03 02:09:26,760 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-03 02:09:26,778 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-03 02:09:26,786 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-03 02:09:26,798 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 02:09:26,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 [2022-11-03 02:09:26,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:26,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:09:26,962 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:09:26,963 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 37 treesize of output 35 [2022-11-03 02:09:26,980 INFO L356 Elim1Store]: treesize reduction 8, result has 65.2 percent of original size [2022-11-03 02:09:26,980 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 24 [2022-11-03 02:09:26,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:26,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-03 02:09:27,053 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 33 treesize of output 15 [2022-11-03 02:09:27,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 treesize of output 16 [2022-11-03 02:09:27,102 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 treesize of output 16 [2022-11-03 02:09:27,137 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2022-11-03 02:09:27,139 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:09:27,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:09:27,169 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_182 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_182) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) is different from false [2022-11-03 02:09:27,184 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_182 (Array Int Int)) (v_ArrVal_181 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_181) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_182) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) is different from false [2022-11-03 02:09:27,233 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:09:27,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 61 [2022-11-03 02:09:27,345 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_182 (Array Int Int)) (v_ArrVal_181 (Array Int Int)) (|v_ULTIMATE.start_main_~t~0#1.base_19| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_~t~0#1.base_19|) 0)) (= 1 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_181) |v_ULTIMATE.start_main_~t~0#1.base_19| v_ArrVal_182) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))) is different from false [2022-11-03 02:09:27,435 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:09:27,436 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 65 treesize of output 79 [2022-11-03 02:09:27,450 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:09:27,451 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 55 [2022-11-03 02:09:27,465 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:09:27,465 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 49 [2022-11-03 02:09:27,482 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:09:27,483 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 9 treesize of output 8 [2022-11-03 02:09:27,538 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:09:27,538 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 61 treesize of output 68 [2022-11-03 02:09:27,575 INFO L356 Elim1Store]: treesize reduction 17, result has 64.6 percent of original size [2022-11-03 02:09:27,576 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 510 treesize of output 515 [2022-11-03 02:09:27,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 484 treesize of output 452 [2022-11-03 02:09:27,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 452 treesize of output 436 [2022-11-03 02:09:27,623 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:09:27,623 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 443 treesize of output 441 [2022-11-03 02:09:27,639 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 487 treesize of output 479 [2022-11-03 02:09:27,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 462 treesize of output 458 [2022-11-03 02:09:27,661 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 458 treesize of output 456 [2022-11-03 02:09:29,570 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked. [2022-11-03 02:09:29,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211498205] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:09:29,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1320101199] [2022-11-03 02:09:29,573 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-11-03 02:09:29,574 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:09:29,574 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:09:29,575 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:09:29,575 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:09:29,618 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-03 02:09:29,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-03 02:09:29,627 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-03 02:09:29,690 INFO L356 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-03 02:09:29,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 38 [2022-11-03 02:09:29,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:29,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-03 02:09:29,714 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2022-11-03 02:09:29,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2022-11-03 02:09:29,773 INFO L356 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-03 02:09:29,773 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-03 02:09:29,809 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 02:09:29,818 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 02:09:29,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:29,835 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 31 [2022-11-03 02:09:29,921 INFO L356 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-03 02:09:29,921 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 62 [2022-11-03 02:09:29,951 INFO L356 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-03 02:09:29,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 34 treesize of output 16 [2022-11-03 02:09:29,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:29,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 96 treesize of output 42 [2022-11-03 02:09:30,055 INFO L356 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-03 02:09:30,056 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2022-11-03 02:09:30,073 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2022-11-03 02:09:30,201 INFO L356 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-03 02:09:30,202 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 326 treesize of output 323 [2022-11-03 02:09:30,241 INFO L356 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-03 02:09:30,242 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 314 treesize of output 317 [2022-11-03 02:09:30,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:09:30,324 INFO L356 Elim1Store]: treesize reduction 146, result has 13.1 percent of original size [2022-11-03 02:09:30,324 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 314 treesize of output 295 [2022-11-03 02:09:30,607 INFO L356 Elim1Store]: treesize reduction 104, result has 19.4 percent of original size [2022-11-03 02:09:30,608 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 567 treesize of output 467 [2022-11-03 02:09:30,835 INFO L356 Elim1Store]: treesize reduction 234, result has 19.9 percent of original size [2022-11-03 02:09:30,836 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 480 treesize of output 511 [2022-11-03 02:09:30,891 INFO L356 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-03 02:09:30,892 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 475 treesize of output 481 [2022-11-03 02:09:30,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:09:31,052 INFO L356 Elim1Store]: treesize reduction 374, result has 12.0 percent of original size [2022-11-03 02:09:31,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 543 treesize of output 559 [2022-11-03 02:09:31,127 INFO L356 Elim1Store]: treesize reduction 100, result has 18.7 percent of original size [2022-11-03 02:09:31,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 540 treesize of output 482 [2022-11-03 02:09:31,738 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:31,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:31,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:31,821 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 31 [2022-11-03 02:09:31,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:31,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-03 02:09:31,966 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-03 02:09:31,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2022-11-03 02:09:32,000 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-03 02:09:32,034 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-03 02:09:32,034 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 111 [2022-11-03 02:09:32,045 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 74 treesize of output 81 [2022-11-03 02:09:32,079 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-03 02:09:32,079 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 68 [2022-11-03 02:09:32,118 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-03 02:09:32,123 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:32,137 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:32,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 02:09:32,158 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-03 02:09:32,164 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-03 02:09:32,170 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2022-11-03 02:09:32,300 INFO L356 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-03 02:09:32,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 157 treesize of output 163 [2022-11-03 02:09:32,340 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-03 02:09:32,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 157 treesize of output 149 [2022-11-03 02:09:32,378 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-03 02:09:32,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 145 treesize of output 137 [2022-11-03 02:09:32,846 INFO L356 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-11-03 02:09:32,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 168 treesize of output 204 [2022-11-03 02:09:33,022 INFO L356 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2022-11-03 02:09:33,022 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 167 treesize of output 212 [2022-11-03 02:09:33,120 INFO L356 Elim1Store]: treesize reduction 99, result has 20.8 percent of original size [2022-11-03 02:09:33,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 248 treesize of output 271 [2022-11-03 02:09:33,175 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-03 02:09:33,175 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 228 treesize of output 222 [2022-11-03 02:09:33,233 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-03 02:09:33,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 192 treesize of output 186 [2022-11-03 02:09:44,591 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-03 02:09:44,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:44,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:44,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:44,628 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 20 [2022-11-03 02:09:44,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:44,644 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:44,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-03 02:09:44,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:44,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:44,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:44,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 20 [2022-11-03 02:09:44,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:44,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:44,793 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-03 02:09:44,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:44,810 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:44,833 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 20 [2022-11-03 02:09:44,840 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:44,849 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:44,877 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-03 02:09:44,884 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:44,894 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:44,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:44,923 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 20 [2022-11-03 02:09:44,931 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:44,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,019 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,078 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,088 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,132 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,178 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,206 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,214 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,240 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,248 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,268 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,276 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,677 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,685 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,708 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-03 02:09:45,715 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:45,725 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:45,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 20 [2022-11-03 02:09:45,760 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:45,770 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,802 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,811 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,832 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,900 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,908 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,929 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,938 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:45,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,000 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,040 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,109 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-03 02:09:46,117 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:46,127 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,154 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,163 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,184 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:46,218 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 20 [2022-11-03 02:09:46,225 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:46,234 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,269 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,278 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,305 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,314 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,335 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,382 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,514 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,529 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,551 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-03 02:09:46,559 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:46,569 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:46,600 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 20 [2022-11-03 02:09:46,609 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:46,621 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,654 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,666 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,705 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,753 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,824 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,854 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,864 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,885 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,895 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:46,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-03 02:09:46,966 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:46,976 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,005 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,014 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,036 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,046 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:47,071 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 20 [2022-11-03 02:09:47,079 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:47,092 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,125 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,135 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,175 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,196 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,206 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,231 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,241 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,444 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,489 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,513 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,522 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,547 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,561 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,583 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,593 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,647 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,657 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,677 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,687 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,728 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,750 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,760 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,781 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,793 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,847 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,887 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,897 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,927 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,953 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:47,963 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,011 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,038 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,048 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,079 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,101 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,111 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,246 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,255 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,277 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,287 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,311 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,344 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,354 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,428 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,438 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,457 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,467 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,488 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,498 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,519 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,529 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,550 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,613 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,623 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,649 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,689 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,713 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,770 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,780 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,819 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,855 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,876 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,885 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:48,994 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,003 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,039 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,092 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,102 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,144 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,153 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,179 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,189 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,209 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,218 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,248 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,258 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,290 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,299 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,335 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,362 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,371 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,392 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,401 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,440 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,475 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,484 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,504 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,513 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,535 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,545 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,821 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,830 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,858 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,868 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,889 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,899 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,921 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,931 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:49,969 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-03 02:09:49,977 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:49,987 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,016 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,026 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:50,050 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 20 [2022-11-03 02:09:50,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:50,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,114 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,137 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,239 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,259 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,269 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,291 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,301 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,342 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,364 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,374 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-03 02:09:50,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:50,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:50,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 20 [2022-11-03 02:09:50,483 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:50,493 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,538 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,582 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-03 02:09:50,614 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:50,625 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:50,653 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 20 [2022-11-03 02:09:50,663 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:50,674 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,692 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,828 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,858 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,889 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,898 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,921 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,931 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,966 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:50,976 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,004 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,015 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,036 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,046 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,070 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,080 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,158 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,168 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,190 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,202 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,227 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,271 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,283 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,319 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,377 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,408 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,419 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,498 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,521 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:51,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:54,624 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:09:57,072 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '603#(and (= 3 (select (select |#memory_int| |ULTIMATE.start_main_~t~0#1.base|) |ULTIMATE.start_main_~t~0#1.offset|)) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~flag~0#1| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1)) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 02:09:57,072 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:09:57,072 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:09:57,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 24 [2022-11-03 02:09:57,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695924309] [2022-11-03 02:09:57,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:09:57,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-03 02:09:57,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:09:57,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-03 02:09:57,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=888, Unknown=4, NotChecked=186, Total=1190 [2022-11-03 02:09:57,075 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 25 states, 25 states have (on average 2.12) internal successors, (53), 24 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:09:57,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:09:57,440 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2022-11-03 02:09:57,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:09:57,441 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.12) internal successors, (53), 24 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-03 02:09:57,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:09:57,442 INFO L225 Difference]: With dead ends: 45 [2022-11-03 02:09:57,442 INFO L226 Difference]: Without dead ends: 43 [2022-11-03 02:09:57,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=150, Invalid=1188, Unknown=6, NotChecked=216, Total=1560 [2022-11-03 02:09:57,444 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 25 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 138 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:09:57,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 107 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 77 Invalid, 0 Unknown, 138 Unchecked, 0.1s Time] [2022-11-03 02:09:57,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-03 02:09:57,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 35. [2022-11-03 02:09:57,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 34 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:09:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2022-11-03 02:09:57,449 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 19 [2022-11-03 02:09:57,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:09:57,449 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2022-11-03 02:09:57,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.12) internal successors, (53), 24 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:09:57,450 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-11-03 02:09:57,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 02:09:57,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:09:57,451 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:09:57,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:09:57,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:09:57,653 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:09:57,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:09:57,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1872577092, now seen corresponding path program 1 times [2022-11-03 02:09:57,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:09:57,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659230850] [2022-11-03 02:09:57,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:09:57,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:09:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:09:58,101 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:09:58,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:09:58,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659230850] [2022-11-03 02:09:58,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659230850] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:09:58,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918661375] [2022-11-03 02:09:58,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:09:58,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:09:58,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:09:58,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:09:58,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:09:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:09:58,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-03 02:09:58,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:09:58,201 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-03 02:09:58,246 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:09:58,247 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 [2022-11-03 02:09:58,281 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 [2022-11-03 02:09:58,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-03 02:09:58,333 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:09:58,334 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 61 [2022-11-03 02:09:58,343 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 29 treesize of output 19 [2022-11-03 02:09:58,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:09:58,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 21 [2022-11-03 02:09:58,403 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 11 [2022-11-03 02:09:58,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2022-11-03 02:09:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:09:58,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:09:58,450 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 79 treesize of output 57 [2022-11-03 02:09:58,458 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))) (and (forall ((v_ArrVal_236 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_236) |c_ULTIMATE.start_main_~a~0#1.base|) .cse0) |c_ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_238 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_238) |c_ULTIMATE.start_main_~a~0#1.base|) .cse0) |c_ULTIMATE.start_main_~p~0#1.base|)))) is different from false [2022-11-03 02:09:58,477 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:09:58,477 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-11-03 02:09:58,486 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:09:58,486 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 38 treesize of output 31 [2022-11-03 02:09:58,490 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-03 02:09:58,505 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:09:58,505 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 1 [2022-11-03 02:09:58,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-03 02:09:58,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918661375] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:09:58,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [557133779] [2022-11-03 02:09:58,594 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-11-03 02:09:58,595 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:09:58,595 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:09:58,595 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:09:58,596 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:09:58,637 INFO L356 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-03 02:09:58,638 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 30 [2022-11-03 02:09:58,680 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-03 02:09:58,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-03 02:09:58,753 INFO L356 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-03 02:09:58,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 38 [2022-11-03 02:09:58,764 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2022-11-03 02:09:58,771 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2022-11-03 02:09:58,833 INFO L356 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-03 02:09:58,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-03 02:09:58,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:58,849 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-03 02:09:58,879 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 02:09:58,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:58,897 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 31 [2022-11-03 02:09:58,909 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 02:09:58,947 INFO L356 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-03 02:09:58,947 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 34 treesize of output 16 [2022-11-03 02:09:58,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:09:58,980 INFO L356 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-11-03 02:09:58,980 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 46 [2022-11-03 02:09:58,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:58,997 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 96 treesize of output 42 [2022-11-03 02:09:59,088 INFO L356 Elim1Store]: treesize reduction 90, result has 35.3 percent of original size [2022-11-03 02:09:59,089 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 43 treesize of output 77 [2022-11-03 02:09:59,104 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-11-03 02:09:59,146 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-03 02:09:59,153 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-03 02:09:59,158 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2022-11-03 02:09:59,222 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-03 02:09:59,222 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 168 treesize of output 144 [2022-11-03 02:09:59,254 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-03 02:09:59,255 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 84 [2022-11-03 02:09:59,291 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 50 treesize of output 57 [2022-11-03 02:09:59,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:59,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:09:59,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-03 02:09:59,373 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:59,383 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-03 02:09:59,389 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:59,413 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 02:09:59,420 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-03 02:09:59,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-03 02:09:59,463 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-03 02:09:59,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2022-11-03 02:09:59,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 02:09:59,527 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2022-11-03 02:09:59,532 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2022-11-03 02:09:59,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 98 treesize of output 105 [2022-11-03 02:09:59,684 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 82 treesize of output 70 [2022-11-03 02:09:59,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 58 treesize of output 46 [2022-11-03 02:09:59,715 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-03 02:09:59,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:59,735 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:09:59,757 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-03 02:09:59,764 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 02:09:59,775 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:10:00,513 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '857#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~flag~0#1| 1) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 02:10:00,513 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:10:00,513 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:10:00,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 18 [2022-11-03 02:10:00,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707921254] [2022-11-03 02:10:00,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:10:00,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-03 02:10:00,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:00,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-03 02:10:00,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=668, Unknown=1, NotChecked=52, Total=812 [2022-11-03 02:10:00,515 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:10:00,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:00,734 INFO L93 Difference]: Finished difference Result 55 states and 62 transitions. [2022-11-03 02:10:00,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:10:00,735 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-03 02:10:00,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:00,736 INFO L225 Difference]: With dead ends: 55 [2022-11-03 02:10:00,736 INFO L226 Difference]: Without dead ends: 35 [2022-11-03 02:10:00,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=118, Invalid=877, Unknown=1, NotChecked=60, Total=1056 [2022-11-03 02:10:00,738 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 14 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:00,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 124 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 118 Invalid, 0 Unknown, 23 Unchecked, 0.1s Time] [2022-11-03 02:10:00,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-03 02:10:00,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-03 02:10:00,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 34 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:10:00,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2022-11-03 02:10:00,743 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 20 [2022-11-03 02:10:00,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:00,743 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2022-11-03 02:10:00,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:10:00,744 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-11-03 02:10:00,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-03 02:10:00,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:00,744 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:10:00,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-03 02:10:00,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:10:00,953 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:10:00,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:00,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1817700719, now seen corresponding path program 3 times [2022-11-03 02:10:00,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:00,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528655255] [2022-11-03 02:10:00,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:00,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:01,756 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:10:01,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:01,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528655255] [2022-11-03 02:10:01,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528655255] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:10:01,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388145796] [2022-11-03 02:10:01,757 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 02:10:01,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:10:01,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:10:01,758 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:10:01,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb6c363-2345-48b0-992d-6ff2bdf12a16/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:10:01,991 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 02:10:01,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:10:01,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 65 conjunts are in the unsatisfiable core [2022-11-03 02:10:02,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:10:02,006 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-03 02:10:02,091 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-03 02:10:02,092 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-03 02:10:02,101 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-03 02:10:02,107 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 02:10:02,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,167 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:10:02,175 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 [2022-11-03 02:10:02,244 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 02:10:02,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-03 02:10:02,252 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:10:02,265 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:10:02,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 37 treesize of output 35 [2022-11-03 02:10:02,287 INFO L356 Elim1Store]: treesize reduction 8, result has 65.2 percent of original size [2022-11-03 02:10:02,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 24 [2022-11-03 02:10:02,374 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-03 02:10:02,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 45 [2022-11-03 02:10:02,387 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 22 [2022-11-03 02:10:02,464 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 02:10:02,465 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-03 02:10:02,469 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:10:02,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-03 02:10:02,485 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-03 02:10:02,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 19 [2022-11-03 02:10:02,524 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 treesize of output 16 [2022-11-03 02:10:02,598 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:10:02,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 19 treesize of output 22 [2022-11-03 02:10:02,756 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:10:02,756 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 22 treesize of output 14 [2022-11-03 02:10:02,759 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:10:02,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:10:03,857 WARN L833 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~p~0#1.base| Int)) (let ((.cse0 (select (select (store |c_#memory_int| |ULTIMATE.start_main_~p~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset| 3)) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (or (= .cse0 1) (= 3 .cse0)))) is different from false [2022-11-03 02:10:03,877 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.base_66| Int) (v_ArrVal_376 (Array Int Int))) (let ((.cse0 (select (select (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_376))) (store .cse1 |v_ULTIMATE.start_main_~p~0#1.base_66| (store (select .cse1 |v_ULTIMATE.start_main_~p~0#1.base_66|) |c_ULTIMATE.start_main_~t~0#1.offset| 3))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (or (= .cse0 3) (= .cse0 1)))) is different from false [2022-11-03 02:10:03,906 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:10:03,906 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 61 [2022-11-03 02:10:03,941 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((|v_ULTIMATE.start_main_~p~0#1.base_66| Int) (v_ArrVal_376 (Array Int Int))) (let ((.cse2 (select (select (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_376))) (store .cse3 |v_ULTIMATE.start_main_~p~0#1.base_66| (store (select .cse3 |v_ULTIMATE.start_main_~p~0#1.base_66|) 0 3))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (or (= 3 .cse2) (= .cse2 1))))) (.cse1 (= |c_ULTIMATE.start_main_~flag~0#1| 0))) (and (or .cse0 .cse1) (or .cse0 (not .cse1)))) is different from false [2022-11-03 02:10:03,991 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (= |c_ULTIMATE.start_main_~flag~0#1| 0)) (.cse0 (forall ((|v_ULTIMATE.start_main_~p~0#1.base_66| Int) (v_ArrVal_376 (Array Int Int)) (v_ArrVal_368 (Array Int Int))) (let ((.cse2 (select (select (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_368) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_376))) (store .cse3 |v_ULTIMATE.start_main_~p~0#1.base_66| (store (select .cse3 |v_ULTIMATE.start_main_~p~0#1.base_66|) 0 3))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (or (= .cse2 1) (= .cse2 3)))))) (and (or .cse0 .cse1) (or (not .cse1) .cse0))) is different from false [2022-11-03 02:10:04,037 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:10:04,038 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 61 [2022-11-03 02:10:04,333 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:10:04,333 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 66 [2022-11-03 02:10:04,343 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:10:04,343 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 59 treesize of output 73 [2022-11-03 02:10:04,350 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:10:04,351 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 49 [2022-11-03 02:10:04,361 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:10:04,362 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 9 treesize of output 8 [2022-11-03 02:10:04,434 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:10:04,434 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 226 treesize of output 197 [2022-11-03 02:10:04,452 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:10:04,452 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 175 treesize of output 167 [2022-11-03 02:10:04,681 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:10:04,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 313236 treesize of output 306810 [2022-11-03 02:10:07,771 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 321088 treesize of output 308288 [2022-11-03 02:10:20,862 WARN L234 SmtUtils]: Spent 13.08s on a formula simplification. DAG size of input: 2298 DAG size of output: 2297 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:10:21,003 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:10:21,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 305223 treesize of output 298829 [2022-11-03 02:10:30,482 WARN L234 SmtUtils]: Spent 9.47s on a formula simplification. DAG size of input: 2298 DAG size of output: 2297 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:10:32,167 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 297280 treesize of output 286016 [2022-11-03 02:10:42,502 WARN L234 SmtUtils]: Spent 10.33s on a formula simplification. DAG size of input: 2290 DAG size of output: 2289 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:10:42,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 283568 treesize of output 283424 [2022-11-03 02:10:47,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 283456 treesize of output 283352 [2022-11-03 02:10:51,636 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:10:51,637 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 40 treesize of output 33 [2022-11-03 02:11:08,578 WARN L234 SmtUtils]: Spent 6.87s on a formula simplification. DAG size of input: 2075 DAG size of output: 2075 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:11:16,546 WARN L234 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 2073 DAG size of output: 2073 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:11:24,270 WARN L234 SmtUtils]: Spent 6.41s on a formula simplification. DAG size of input: 2073 DAG size of output: 2073 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:11:32,893 WARN L234 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 2073 DAG size of output: 2073 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:11:41,313 WARN L234 SmtUtils]: Spent 6.00s on a formula simplification. DAG size of input: 2073 DAG size of output: 2073 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:11:48,664 WARN L234 SmtUtils]: Spent 6.13s on a formula simplification. DAG size of input: 2073 DAG size of output: 2073 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:11:58,112 WARN L234 SmtUtils]: Spent 7.03s on a formula simplification. DAG size of input: 2071 DAG size of output: 2071 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:12:05,342 WARN L234 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:12:16,891 WARN L234 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:12:27,980 WARN L234 SmtUtils]: Spent 6.31s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:12:43,234 WARN L234 SmtUtils]: Spent 12.78s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:13:01,335 WARN L234 SmtUtils]: Spent 15.83s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:13:09,134 WARN L234 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:13:20,356 WARN L234 SmtUtils]: Spent 9.08s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:13:27,348 WARN L234 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:13:44,974 WARN L234 SmtUtils]: Spent 16.44s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:13:56,320 WARN L234 SmtUtils]: Spent 9.06s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:14:07,242 WARN L234 SmtUtils]: Spent 9.76s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:14:15,352 WARN L234 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:14:25,667 WARN L234 SmtUtils]: Spent 9.16s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:14:41,405 WARN L234 SmtUtils]: Spent 14.57s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:15:00,137 WARN L234 SmtUtils]: Spent 17.45s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:15:14,654 WARN L234 SmtUtils]: Spent 11.85s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:15:28,200 WARN L234 SmtUtils]: Spent 10.49s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:15:39,397 WARN L234 SmtUtils]: Spent 9.71s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:15:55,129 WARN L234 SmtUtils]: Spent 11.00s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:16:06,031 WARN L234 SmtUtils]: Spent 7.65s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:16:18,879 WARN L234 SmtUtils]: Spent 11.57s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:16:32,386 WARN L234 SmtUtils]: Spent 12.04s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:16:41,639 WARN L234 SmtUtils]: Spent 6.43s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:16:56,753 WARN L234 SmtUtils]: Spent 12.39s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:17:14,714 WARN L234 SmtUtils]: Spent 15.26s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:17:25,326 WARN L234 SmtUtils]: Spent 9.49s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:17:36,897 WARN L234 SmtUtils]: Spent 10.43s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:17:51,471 WARN L234 SmtUtils]: Spent 13.29s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:18:04,508 WARN L234 SmtUtils]: Spent 11.59s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:18:15,430 WARN L234 SmtUtils]: Spent 7.84s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:18:23,130 WARN L234 SmtUtils]: Spent 6.51s on a formula simplification. DAG size of input: 2070 DAG size of output: 2070 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:18:33,366 WARN L234 SmtUtils]: Spent 6.21s on a formula simplification. DAG size of input: 2068 DAG size of output: 2068 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 02:19:30,108 WARN L234 SmtUtils]: Spent 6.61s on a formula simplification. DAG size of input: 2066 DAG size of output: 2066 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)