./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7 --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 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:14:46,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:14:46,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:14:46,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:14:46,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:14:46,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:14:46,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:14:46,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:14:46,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:14:46,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:14:46,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:14:46,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:14:46,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:14:46,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:14:46,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:14:46,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:14:46,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:14:46,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:14:46,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:14:46,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:14:46,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:14:46,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:14:46,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:14:46,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:14:46,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:14:46,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:14:46,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:14:46,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:14:46,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:14:46,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:14:46,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:14:46,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:14:46,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:14:47,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:14:47,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:14:47,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:14:47,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:14:47,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:14:47,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:14:47,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:14:47,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:14:47,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:14:47,058 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:14:47,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:14:47,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:14:47,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:14:47,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:14:47,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:14:47,061 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:14:47,061 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:14:47,062 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:14:47,062 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:14:47,063 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:14:47,063 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:14:47,064 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:14:47,064 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:14:47,064 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:14:47,065 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:14:47,065 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:14:47,065 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:14:47,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:14:47,066 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:14:47,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:14:47,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:14:47,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:14:47,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:14:47,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:14:47,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:14:47,068 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:14:47,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:14:47,068 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:14:47,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:14:47,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:14:47,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:14:47,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:14:47,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:14:47,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:14:47,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:14:47,070 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:14:47,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:14:47,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:14:47,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:14:47,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:14:47,071 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 [2021-11-25 20:14:47,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:14:47,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:14:47,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:14:47,456 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:14:47,456 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:14:47,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2021-11-25 20:14:47,532 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/data/891b07ef0/936fe47bafb2435fa998ca57e3799b92/FLAG557842e78 [2021-11-25 20:14:48,164 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:14:48,165 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2021-11-25 20:14:48,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/data/891b07ef0/936fe47bafb2435fa998ca57e3799b92/FLAG557842e78 [2021-11-25 20:14:48,398 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/data/891b07ef0/936fe47bafb2435fa998ca57e3799b92 [2021-11-25 20:14:48,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:14:48,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:14:48,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:14:48,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:14:48,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:14:48,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:14:48" (1/1) ... [2021-11-25 20:14:48,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cdcf70c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:48, skipping insertion in model container [2021-11-25 20:14:48,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:14:48" (1/1) ... [2021-11-25 20:14:48,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:14:48,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:14:49,027 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_6bcba0aa-6656-4fac-bd37-84d80b883ba1/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i[33021,33034] [2021-11-25 20:14:49,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:14:49,203 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:14:49,238 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_6bcba0aa-6656-4fac-bd37-84d80b883ba1/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i[33021,33034] [2021-11-25 20:14:49,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:14:49,344 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:14:49,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:49 WrapperNode [2021-11-25 20:14:49,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:14:49,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:14:49,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:14:49,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:14:49,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:49" (1/1) ... [2021-11-25 20:14:49,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:49" (1/1) ... [2021-11-25 20:14:49,448 INFO L137 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 621 [2021-11-25 20:14:49,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:14:49,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:14:49,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:14:49,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:14:49,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:49" (1/1) ... [2021-11-25 20:14:49,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:49" (1/1) ... [2021-11-25 20:14:49,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:49" (1/1) ... [2021-11-25 20:14:49,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:49" (1/1) ... [2021-11-25 20:14:49,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:49" (1/1) ... [2021-11-25 20:14:49,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:49" (1/1) ... [2021-11-25 20:14:49,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:49" (1/1) ... [2021-11-25 20:14:49,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:14:49,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:14:49,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:14:49,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:14:49,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:49" (1/1) ... [2021-11-25 20:14:49,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:14:49,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:14:49,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:14:49,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:14:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:14:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:14:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:14:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:14:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:14:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:14:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:14:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:14:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:14:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:14:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:14:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:14:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:14:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:14:49,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:14:49,841 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:14:49,843 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:14:50,704 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:14:50,966 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:14:50,967 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-25 20:14:50,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:14:50 BoogieIcfgContainer [2021-11-25 20:14:50,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:14:50,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:14:50,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:14:50,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:14:50,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:14:48" (1/3) ... [2021-11-25 20:14:50,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714cdd1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:14:50, skipping insertion in model container [2021-11-25 20:14:50,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:49" (2/3) ... [2021-11-25 20:14:50,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714cdd1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:14:50, skipping insertion in model container [2021-11-25 20:14:50,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:14:50" (3/3) ... [2021-11-25 20:14:50,984 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test1-1.i [2021-11-25 20:14:50,989 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:14:50,989 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:14:51,039 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:14:51,047 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:14:51,047 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:14:51,066 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 64 states have (on average 1.78125) internal successors, (114), 75 states have internal predecessors, (114), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 20:14:51,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 20:14:51,071 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:51,072 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:51,072 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:14:51,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:51,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1633489720, now seen corresponding path program 1 times [2021-11-25 20:14:51,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:51,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535232463] [2021-11-25 20:14:51,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:51,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:51,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:51,241 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:14:51,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535232463] [2021-11-25 20:14:51,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535232463] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:14:51,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:14:51,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:14:51,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452445927] [2021-11-25 20:14:51,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:14:51,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:14:51,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:14:51,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:14:51,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:14:51,283 INFO L87 Difference]: Start difference. First operand has 81 states, 64 states have (on average 1.78125) internal successors, (114), 75 states have internal predecessors, (114), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:52,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:52,680 INFO L93 Difference]: Finished difference Result 209 states and 376 transitions. [2021-11-25 20:14:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:14:52,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 20:14:52,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:52,708 INFO L225 Difference]: With dead ends: 209 [2021-11-25 20:14:52,709 INFO L226 Difference]: Without dead ends: 128 [2021-11-25 20:14:52,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:14:52,717 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 49 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:52,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 195 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 20:14:52,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-25 20:14:52,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2021-11-25 20:14:52,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 20:14:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2021-11-25 20:14:52,775 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2021-11-25 20:14:52,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:52,775 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2021-11-25 20:14:52,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:52,776 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2021-11-25 20:14:52,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 20:14:52,779 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:52,779 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:52,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:14:52,780 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:14:52,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:52,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1995011669, now seen corresponding path program 1 times [2021-11-25 20:14:52,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:52,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251516886] [2021-11-25 20:14:52,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:52,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:52,914 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:14:52,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [943326611] [2021-11-25 20:14:52,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:52,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:14:52,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:14:52,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:14:52,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:14:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:53,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:14:53,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:14:53,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:53,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:14:54,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:54,005 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:14:54,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251516886] [2021-11-25 20:14:54,005 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:14:54,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943326611] [2021-11-25 20:14:54,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943326611] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:14:54,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1822378896] [2021-11-25 20:14:54,060 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2021-11-25 20:14:54,061 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:14:54,071 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:14:54,079 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:14:54,080 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:14:54,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:54,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 20:14:54,304 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:14:54,304 INFO L388 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 [2021-11-25 20:14:54,420 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:14:54,420 INFO L388 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 [2021-11-25 20:14:54,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:54,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:14:54,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 20:14:54,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:54,506 INFO L388 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 22 treesize of output 7 [2021-11-25 20:14:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 20:14:55,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:14:55,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:14:55,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 20:14:55,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:14:55,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:14:55,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 20:14:55,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:14:55,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 20:14:55,584 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:14:56,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1822378896] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:14:56,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:14:56,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 20:14:56,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91649635] [2021-11-25 20:14:56,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:14:56,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 20:14:56,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:14:56,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 20:14:56,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:14:56,525 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:59,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:15:01,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:01,153 INFO L93 Difference]: Finished difference Result 173 states and 232 transitions. [2021-11-25 20:15:01,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:15:01,164 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-25 20:15:01,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:01,167 INFO L225 Difference]: With dead ends: 173 [2021-11-25 20:15:01,167 INFO L226 Difference]: Without dead ends: 94 [2021-11-25 20:15:01,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:15:01,169 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 10 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:01,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 329 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-25 20:15:01,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-25 20:15:01,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2021-11-25 20:15:01,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 20:15:01,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2021-11-25 20:15:01,185 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2021-11-25 20:15:01,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:01,185 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2021-11-25 20:15:01,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:01,186 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2021-11-25 20:15:01,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 20:15:01,188 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:01,188 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:01,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 20:15:01,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:15:01,403 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:15:01,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:01,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1705819700, now seen corresponding path program 1 times [2021-11-25 20:15:01,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:01,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705905012] [2021-11-25 20:15:01,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:01,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:01,476 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:15:01,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1534870786] [2021-11-25 20:15:01,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:01,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:15:01,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:15:01,481 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:15:01,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:15:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:01,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:15:01,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:15:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:15:02,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:15:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:15:02,212 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:02,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705905012] [2021-11-25 20:15:02,212 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:15:02,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534870786] [2021-11-25 20:15:02,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534870786] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:15:02,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1310230996] [2021-11-25 20:15:02,217 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-25 20:15:02,217 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:15:02,218 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:15:02,218 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:15:02,218 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:15:02,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 20:15:02,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 20:15:02,389 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:15:02,390 INFO L388 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 [2021-11-25 20:15:02,402 INFO L388 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 [2021-11-25 20:15:02,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:02,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 20:15:02,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:15:02,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:15:02,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 20:15:02,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 20:15:02,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:15:02,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:15:02,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 20:15:02,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:15:02,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,963 INFO L388 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 28 treesize of output 36 [2021-11-25 20:15:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:02,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 47 [2021-11-25 20:15:03,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:15:03,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:15:03,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:15:03,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:15:03,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 20:15:03,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 20:15:03,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 20:15:03,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:15:03,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:15:03,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:03,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:15:04,067 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:15:04,068 INFO L388 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 44 treesize of output 77 [2021-11-25 20:15:04,085 INFO L388 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 28 treesize of output 36 [2021-11-25 20:15:04,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:15:04,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:04,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:15:04,210 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 101 for LOIs [2021-11-25 20:15:04,286 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:15:06,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1310230996] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:06,220 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:15:06,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 20:15:06,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193731598] [2021-11-25 20:15:06,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:06,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 20:15:06,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:06,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 20:15:06,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 20:15:06,223 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:15:08,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:15:09,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:09,110 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2021-11-25 20:15:09,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 20:15:09,122 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2021-11-25 20:15:09,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:09,124 INFO L225 Difference]: With dead ends: 175 [2021-11-25 20:15:09,124 INFO L226 Difference]: Without dead ends: 96 [2021-11-25 20:15:09,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 20:15:09,127 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 8 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 53 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:09,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 326 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 105 Invalid, 0 Unknown, 53 Unchecked, 2.9s Time] [2021-11-25 20:15:09,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-25 20:15:09,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-25 20:15:09,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-25 20:15:09,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2021-11-25 20:15:09,176 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2021-11-25 20:15:09,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:09,176 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2021-11-25 20:15:09,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:15:09,177 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2021-11-25 20:15:09,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 20:15:09,180 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:09,181 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:09,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:15:09,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:15:09,396 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:15:09,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:09,396 INFO L85 PathProgramCache]: Analyzing trace with hash -336880136, now seen corresponding path program 1 times [2021-11-25 20:15:09,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:09,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161056735] [2021-11-25 20:15:09,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:09,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:09,480 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:15:09,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1301713597] [2021-11-25 20:15:09,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:09,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:15:09,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:15:09,491 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:15:09,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcba0aa-6656-4fac-bd37-84d80b883ba1/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:15:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:09,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:15:09,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:15:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 20:15:10,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:15:10,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 20:15:10,202 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:10,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161056735] [2021-11-25 20:15:10,203 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:15:10,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301713597] [2021-11-25 20:15:10,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301713597] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:15:10,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [801249142] [2021-11-25 20:15:10,207 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-25 20:15:10,208 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:15:10,208 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:15:10,209 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:15:10,209 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:15:10,281 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:15:10,282 INFO L388 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 [2021-11-25 20:15:10,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:10,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 20:15:10,305 INFO L388 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 [2021-11-25 20:15:10,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,321 INFO L388 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 22 treesize of output 7 [2021-11-25 20:15:10,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,339 INFO L388 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 22 treesize of output 7 [2021-11-25 20:15:10,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:15:10,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:15:10,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 20:15:10,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 20:15:10,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 20:15:10,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:15:10,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:15:10,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:15:10,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:15:10,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:10,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:15:10,892 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:15:10,893 INFO L388 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 44 treesize of output 77 [2021-11-25 20:15:10,906 INFO L388 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 28 treesize of output 36 [2021-11-25 20:15:10,993 INFO L388 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 16 treesize of output 12 [2021-11-25 20:15:10,997 INFO L388 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 14 treesize of output 10 [2021-11-25 20:15:11,002 INFO L388 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 14 treesize of output 10 [2021-11-25 20:15:11,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,020 INFO L388 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 68 treesize of output 67 [2021-11-25 20:15:11,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,027 INFO L388 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 70 treesize of output 69 [2021-11-25 20:15:11,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,035 INFO L388 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 68 treesize of output 67 [2021-11-25 20:15:11,052 INFO L388 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 14 treesize of output 10 [2021-11-25 20:15:11,057 INFO L388 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 16 treesize of output 12 [2021-11-25 20:15:11,062 INFO L388 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 14 treesize of output 10 [2021-11-25 20:15:11,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 20:15:11,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 20:15:11,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:15:11,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 20:15:11,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 20:15:11,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:11,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:15:19,666 WARN L227 SmtUtils]: Spent 8.22s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:15:19,666 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:15:19,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 20:15:19,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:31,309 WARN L227 SmtUtils]: Spent 11.53s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:15:31,309 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:15:31,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 20:15:31,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:32,045 INFO L244 Elim1Store]: Index analysis took 509 ms [2021-11-25 20:15:44,779 WARN L227 SmtUtils]: Spent 12.48s on a formula simplification. DAG size of input: 244 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:15:44,780 INFO L354 Elim1Store]: treesize reduction 2566, result has 31.1 percent of original size [2021-11-25 20:15:44,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 1377 [2021-11-25 20:15:45,395 INFO L244 Elim1Store]: Index analysis took 183 ms [2021-11-25 20:15:46,441 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 20:15:46,441 INFO L388 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 [2021-11-25 20:15:46,681 INFO L388 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 [2021-11-25 20:15:47,135 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:47,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:47,295 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-25 20:15:47,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-25 20:15:47,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:47,649 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:15:47,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-25 20:15:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:47,833 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:15:47,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 20:15:47,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:47,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:47,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:47,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 20:15:47,967 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:48,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:48,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-25 20:15:48,076 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:48,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:48,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:48,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2021-11-25 20:15:48,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:48,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-25 20:15:48,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:48,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:48,414 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:15:48,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-25 20:15:48,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:48,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:48,549 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-25 20:15:48,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-25 20:15:48,613 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:48,639 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:48,691 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:48,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:48,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:48,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:48,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-25 20:15:49,647 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:49,689 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:49,738 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:49,859 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:49,903 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:49,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:50,102 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:50,157 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:50,213 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:50,550 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:50,580 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:50,615 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:50,639 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:50,665 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:50,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:50,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:50,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:50,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:50,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:50,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:50,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:50,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:50,941 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-11-25 20:15:51,058 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:15:51,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2732 treesize of output 2528 [2021-11-25 20:15:51,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:51,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:51,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:51,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:51,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:51,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:51,317 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-11-25 20:15:51,413 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:15:51,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2632 treesize of output 2434 [2021-11-25 20:15:51,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:51,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:51,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:51,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:51,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:51,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:51,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:51,688 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-25 20:15:51,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2616 treesize of output 1 [2021-11-25 20:15:51,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:51,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:52,024 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:52,079 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:52,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:52,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:52,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:52,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:52,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:52,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2711 treesize of output 2335 [2021-11-25 20:15:52,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:52,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:52,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:52,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:52,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2611 treesize of output 2241 [2021-11-25 20:15:52,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:52,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:52,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:52,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:52,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2595 treesize of output 2231 [2021-11-25 20:15:52,800 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:52,836 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:52,858 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:52,900 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:52,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:52,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:52,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:52,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:53,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2711 treesize of output 2335 [2021-11-25 20:15:53,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:53,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:53,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:53,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2611 treesize of output 2241 [2021-11-25 20:15:53,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:53,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:53,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:53,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:53,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2595 treesize of output 2231 [2021-11-25 20:15:54,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:54,247 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:54,304 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:54,341 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:54,372 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:54,415 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:54,455 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:54,615 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:54,673 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:54,746 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:54,775 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:54,811 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:54,845 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:54,888 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,034 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,078 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,121 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,152 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,176 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,198 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,230 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,302 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,575 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,633 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,694 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,721 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,744 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,803 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:55,843 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,133 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,163 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,219 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,273 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,313 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,432 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,598 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,628 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,668 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,714 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:56,753 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:57,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:57,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:57,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:57,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2679 treesize of output 2241 [2021-11-25 20:15:57,773 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:57,801 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:57,835 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:57,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:57,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:57,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:57,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:57,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2779 treesize of output 2335 [2021-11-25 20:15:57,973 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:58,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:58,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:58,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:58,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:58,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2663 treesize of output 2231 [2021-11-25 20:15:58,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:58,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:58,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:58,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:58,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:58,505 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-11-25 20:15:58,649 INFO L354 Elim1Store]: treesize reduction 55, result has 22.5 percent of original size [2021-11-25 20:15:58,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 2700 treesize of output 2260 [2021-11-25 20:15:58,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:58,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:58,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:58,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:58,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:58,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:58,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:58,931 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-11-25 20:15:58,948 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 20:15:58,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2800 treesize of output 2338 [2021-11-25 20:15:59,006 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:59,042 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:59,074 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:59,113 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:59,160 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:59,209 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:59,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:59,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:59,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:59,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:15:59,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:59,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:59,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:15:59,551 INFO L244 Elim1Store]: Index analysis took 132 ms [2021-11-25 20:15:59,568 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 20:15:59,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2684 treesize of output 2234 [2021-11-25 20:15:59,789 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:59,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:59,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:59,925 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:15:59,968 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:00,014 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:00,095 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:00,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:00,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:00,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,613 INFO L244 Elim1Store]: Index analysis took 113 ms [2021-11-25 20:16:00,631 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 20:16:00,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2672 treesize of output 2234 [2021-11-25 20:16:00,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:00,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,877 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 20:16:00,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2688 treesize of output 2244 [2021-11-25 20:16:00,981 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:01,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:01,039 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:01,075 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:01,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:01,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:01,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,275 INFO L244 Elim1Store]: Index analysis took 135 ms [2021-11-25 20:16:01,294 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 20:16:01,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2788 treesize of output 2338 [2021-11-25 20:16:01,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:02,743 INFO L354 Elim1Store]: treesize reduction 1186, result has 34.9 percent of original size [2021-11-25 20:16:02,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2709 treesize of output 2883 [2021-11-25 20:16:02,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:02,961 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:02,988 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:03,015 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:03,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:03,088 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:03,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:03,368 INFO L244 Elim1Store]: Index analysis took 172 ms [2021-11-25 20:16:06,011 INFO L354 Elim1Store]: treesize reduction 1185, result has 36.7 percent of original size [2021-11-25 20:16:06,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2809 treesize of output 3028 [2021-11-25 20:16:06,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:06,971 INFO L244 Elim1Store]: Index analysis took 191 ms [2021-11-25 20:16:07,617 INFO L354 Elim1Store]: treesize reduction 1811, result has 2.1 percent of original size [2021-11-25 20:16:07,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2693 treesize of output 2275 [2021-11-25 20:16:08,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:08,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,672 INFO L354 Elim1Store]: treesize reduction 793, result has 31.3 percent of original size [2021-11-25 20:16:08,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2672 treesize of output 2596 [2021-11-25 20:16:08,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,108 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-25 20:16:09,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2688 treesize of output 2244 [2021-11-25 20:16:09,228 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:09,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:09,310 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:09,365 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:09,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:09,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,062 INFO L354 Elim1Store]: treesize reduction 793, result has 32.0 percent of original size [2021-11-25 20:16:10,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2788 treesize of output 2712 [2021-11-25 20:16:11,265 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:11,340 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:11,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:11,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:11,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:11,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:11,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:11,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:11,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:11,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:11,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2700 treesize of output 2244 [2021-11-25 20:16:11,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:11,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:11,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:11,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:11,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:11,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:11,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:11,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:11,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2800 treesize of output 2338 [2021-11-25 20:16:12,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:12,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:12,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:12,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:12,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:12,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:12,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:12,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:12,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2684 treesize of output 2234 [2021-11-25 20:16:12,326 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:12,370 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:12,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:12,727 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:12,775 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:12,800 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:12,836 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:12,885 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:12,909 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:13,000 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:13,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:13,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:13,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:13,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:13,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:13,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:13,322 INFO L244 Elim1Store]: Index analysis took 158 ms [2021-11-25 20:16:13,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2700 treesize of output 2244 [2021-11-25 20:16:13,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:13,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:13,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:13,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:13,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:13,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:13,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:13,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:13,647 INFO L244 Elim1Store]: Index analysis took 131 ms [2021-11-25 20:16:13,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2800 treesize of output 2338 [2021-11-25 20:16:13,705 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:13,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:13,788 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:13,828 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:13,893 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:13,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:14,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:14,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:14,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:14,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:14,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:14,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:14,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:14,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:14,390 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-11-25 20:16:14,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2684 treesize of output 2234 [2021-11-25 20:16:14,651 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:14,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:14,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:14,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:14,893 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:14,919 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:15,006 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:18,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:18,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:18,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,033 INFO L244 Elim1Store]: Index analysis took 268 ms [2021-11-25 20:16:24,988 WARN L227 SmtUtils]: Spent 5.73s on a formula simplification. DAG size of input: 152 DAG size of output: 122 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:16:24,990 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 20:16:24,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 145059 treesize of output 145451