./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P --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 b9bf0bad0cbe69b5d3c479fc9571d5ea3a755c149f856a4942bf9e49854dfec3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:39:05,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:39:05,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:39:05,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:39:05,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:39:05,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:39:05,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:39:05,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:39:06,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:39:06,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:39:06,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:39:06,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:39:06,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:39:06,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:39:06,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:39:06,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:39:06,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:39:06,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:39:06,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:39:06,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:39:06,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:39:06,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:39:06,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:39:06,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:39:06,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:39:06,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:39:06,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:39:06,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:39:06,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:39:06,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:39:06,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:39:06,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:39:06,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:39:06,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:39:06,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:39:06,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:39:06,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:39:06,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:39:06,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:39:06,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:39:06,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:39:06,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:39:06,110 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:39:06,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:39:06,114 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:39:06,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:39:06,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:39:06,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:39:06,123 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:39:06,123 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:39:06,123 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:39:06,123 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:39:06,125 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:39:06,125 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:39:06,125 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:39:06,126 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:39:06,126 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:39:06,126 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:39:06,126 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:39:06,127 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:39:06,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:39:06,128 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:39:06,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:39:06,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:39:06,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:39:06,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:39:06,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:39:06,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:39:06,131 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:39:06,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:39:06,132 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:39:06,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:39:06,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:39:06,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:39:06,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:39:06,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:39:06,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:39:06,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:39:06,134 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:39:06,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:39:06,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:39:06,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:39:06,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:39:06,135 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_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9bf0bad0cbe69b5d3c479fc9571d5ea3a755c149f856a4942bf9e49854dfec3 [2021-11-21 01:39:06,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:39:06,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:39:06,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:39:06,461 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:39:06,462 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:39:06,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i [2021-11-21 01:39:06,536 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/data/89e6494bc/7f291d58d1e24bc18403bfb7d110ea87/FLAG9786affee [2021-11-21 01:39:07,318 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:39:07,320 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i [2021-11-21 01:39:07,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/data/89e6494bc/7f291d58d1e24bc18403bfb7d110ea87/FLAG9786affee [2021-11-21 01:39:07,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/data/89e6494bc/7f291d58d1e24bc18403bfb7d110ea87 [2021-11-21 01:39:07,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:39:07,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:39:07,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:39:07,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:39:07,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:39:07,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:39:07" (1/1) ... [2021-11-21 01:39:07,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1ded75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:07, skipping insertion in model container [2021-11-21 01:39:07,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:39:07" (1/1) ... [2021-11-21 01:39:07,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:39:07,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:39:08,077 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_90daaeca-2600-4402-8cc4-07ac7904c3a2/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i[33021,33034] [2021-11-21 01:39:08,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:39:08,200 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:39:08,251 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_90daaeca-2600-4402-8cc4-07ac7904c3a2/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i[33021,33034] [2021-11-21 01:39:08,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:39:08,412 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:39:08,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:08 WrapperNode [2021-11-21 01:39:08,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:39:08,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:39:08,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:39:08,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:39:08,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:08" (1/1) ... [2021-11-21 01:39:08,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:08" (1/1) ... [2021-11-21 01:39:08,602 INFO L137 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1153 [2021-11-21 01:39:08,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:39:08,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:39:08,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:39:08,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:39:08,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:08" (1/1) ... [2021-11-21 01:39:08,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:08" (1/1) ... [2021-11-21 01:39:08,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:08" (1/1) ... [2021-11-21 01:39:08,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:08" (1/1) ... [2021-11-21 01:39:08,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:08" (1/1) ... [2021-11-21 01:39:08,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:08" (1/1) ... [2021-11-21 01:39:08,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:08" (1/1) ... [2021-11-21 01:39:08,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:39:08,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:39:08,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:39:08,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:39:08,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:08" (1/1) ... [2021-11-21 01:39:08,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:39:08,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:39:08,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:39:08,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:39:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:39:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:39:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:39:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:39:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:39:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:39:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:39:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:39:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:39:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:39:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:39:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:39:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:39:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:39:08,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:39:09,134 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:39:09,135 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:39:10,596 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:39:11,082 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:39:11,083 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-21 01:39:11,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:39:11 BoogieIcfgContainer [2021-11-21 01:39:11,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:39:11,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:39:11,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:39:11,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:39:11,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:39:07" (1/3) ... [2021-11-21 01:39:11,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345b32d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:39:11, skipping insertion in model container [2021-11-21 01:39:11,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:08" (2/3) ... [2021-11-21 01:39:11,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345b32d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:39:11, skipping insertion in model container [2021-11-21 01:39:11,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:39:11" (3/3) ... [2021-11-21 01:39:11,095 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test4-1.i [2021-11-21 01:39:11,101 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:39:11,101 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:39:11,162 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:39:11,171 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 [2021-11-21 01:39:11,171 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:39:11,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:39:11,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:39:11,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:39:11,203 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:39:11,203 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:39:11,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:39:11,209 INFO L85 PathProgramCache]: Analyzing trace with hash 932638747, now seen corresponding path program 1 times [2021-11-21 01:39:11,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:39:11,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737477807] [2021-11-21 01:39:11,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:11,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:39:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:39:11,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:39:11,410 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:39:11,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737477807] [2021-11-21 01:39:11,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737477807] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:39:11,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:39:11,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:39:11,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233145486] [2021-11-21 01:39:11,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:39:11,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:39:11,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:39:11,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:39:11,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:39:11,457 INFO L87 Difference]: Start difference. First operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) 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) [2021-11-21 01:39:13,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:39:13,831 INFO L93 Difference]: Finished difference Result 347 states and 628 transitions. [2021-11-21 01:39:13,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:39:13,844 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 [2021-11-21 01:39:13,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:39:13,855 INFO L225 Difference]: With dead ends: 347 [2021-11-21 01:39:13,856 INFO L226 Difference]: Without dead ends: 220 [2021-11-21 01:39:13,860 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 [2021-11-21 01:39:13,864 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 97 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:39:13,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 305 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:39:13,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-21 01:39:13,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-21 01:39:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:39:13,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-21 01:39:13,920 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-21 01:39:13,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:39:13,921 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-21 01:39:13,921 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) [2021-11-21 01:39:13,922 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-21 01:39:13,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 01:39:13,925 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:39:13,926 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:39:13,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:39:13,926 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:39:13,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:39:13,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1435055736, now seen corresponding path program 1 times [2021-11-21 01:39:13,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:39:13,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642025720] [2021-11-21 01:39:13,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:13,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:39:13,951 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:39:13,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [355409432] [2021-11-21 01:39:13,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:13,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:39:13,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:39:13,985 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:39:13,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:39:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:39:14,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:39:14,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:39:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:39:14,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:39:14,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:39:14,738 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:39:14,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642025720] [2021-11-21 01:39:14,738 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:39:14,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355409432] [2021-11-21 01:39:14,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355409432] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:39:14,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [690747919] [2021-11-21 01:39:14,779 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-21 01:39:14,783 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:39:14,788 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:39:14,794 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:39:14,795 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:39:15,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:15,100 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 [2021-11-21 01:39:15,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:15,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:39:15,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:15,136 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:39:15,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:39:15,207 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:39:15,208 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 [2021-11-21 01:39:15,241 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 [2021-11-21 01:39:15,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:15,285 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 [2021-11-21 01:39:16,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:39:16,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:39:16,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 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 [2021-11-21 01:39:16,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:39:16,842 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:39:16,843 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 [2021-11-21 01:39:16,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,882 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 [2021-11-21 01:39:16,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:16,912 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 [2021-11-21 01:39:16,960 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:39:16,960 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 [2021-11-21 01:39:17,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:17,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:39:17,031 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 [2021-11-21 01:39:18,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:39:18,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 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 [2021-11-21 01:39:18,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:39:18,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:18,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-21 01:39:18,382 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:39:18,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [690747919] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:39:18,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:39:18,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-21 01:39:18,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175389851] [2021-11-21 01:39:18,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:39:18,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:39:18,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:39:18,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:39:18,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:39:18,946 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2021-11-21 01:39:23,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:39:23,453 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-21 01:39:23,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:39:23,454 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 52 [2021-11-21 01:39:23,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:39:23,456 INFO L225 Difference]: With dead ends: 265 [2021-11-21 01:39:23,456 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 01:39:23,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:39:23,458 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:39:23,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 375 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-11-21 01:39:23,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 01:39:23,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-21 01:39:23,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:39:23,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 01:39:23,493 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-21 01:39:23,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:39:23,493 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 01:39:23,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2021-11-21 01:39:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 01:39:23,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 01:39:23,499 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:39:23,499 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:39:23,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:39:23,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:39:23,708 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:39:23,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:39:23,709 INFO L85 PathProgramCache]: Analyzing trace with hash 886940783, now seen corresponding path program 1 times [2021-11-21 01:39:23,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:39:23,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925328178] [2021-11-21 01:39:23,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:23,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:39:23,739 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:39:23,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [775402977] [2021-11-21 01:39:23,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:23,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:39:23,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:39:23,761 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:39:23,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:39:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:39:24,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:39:24,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:39:24,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:39:24,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:39:24,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:39:24,408 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:39:24,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925328178] [2021-11-21 01:39:24,409 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:39:24,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775402977] [2021-11-21 01:39:24,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775402977] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:39:24,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1845698224] [2021-11-21 01:39:24,414 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:39:24,414 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:39:24,415 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:39:24,415 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:39:24,415 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:39:24,644 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:39:24,644 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 [2021-11-21 01:39:24,671 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 [2021-11-21 01:39:24,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:24,692 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 [2021-11-21 01:39:24,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:24,714 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 [2021-11-21 01:39:24,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:24,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:39:24,733 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 [2021-11-21 01:39:25,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:39:25,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:39:25,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:39:25,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:25,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 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 [2021-11-21 01:39:26,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 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 [2021-11-21 01:39:26,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:39:26,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:39:26,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:39:26,358 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:39:26,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:39:26,421 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:39:26,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:39:26,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:39:26,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:26,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 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 [2021-11-21 01:39:27,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:27,398 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 [2021-11-21 01:39:27,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:27,409 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 [2021-11-21 01:39:27,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:27,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:39:27,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:27,433 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:39:27,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:39:27,481 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:39:27,482 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 [2021-11-21 01:39:27,530 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:39:27,531 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 [2021-11-21 01:39:28,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:39:28,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 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 [2021-11-21 01:39:28,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:39:28,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:39:28,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:39:28,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:39:28,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:39:28,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:28,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 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 [2021-11-21 01:39:29,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:39:29,122 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:39:29,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:39:29,170 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:39:29,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:39:29,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 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 [2021-11-21 01:39:29,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:29,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:39:30,099 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-21 01:39:30,372 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:39:31,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1845698224] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:39:31,462 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:39:31,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-21 01:39:31,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445883056] [2021-11-21 01:39:31,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:39:31,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:39:31,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:39:31,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:39:31,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:39:31,464 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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) [2021-11-21 01:39:33,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:39:33,591 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-21 01:39:33,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 01:39:33,592 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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 65 [2021-11-21 01:39:33,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:39:33,594 INFO L225 Difference]: With dead ends: 267 [2021-11-21 01:39:33,594 INFO L226 Difference]: Without dead ends: 142 [2021-11-21 01:39:33,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:39:33,597 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 12 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 75 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:39:33,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 359 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 97 Invalid, 0 Unknown, 75 Unchecked, 2.1s Time] [2021-11-21 01:39:33,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-21 01:39:33,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-21 01:39:33,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-21 01:39:33,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-21 01:39:33,623 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-21 01:39:33,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:39:33,623 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-21 01:39:33,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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) [2021-11-21 01:39:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-21 01:39:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 01:39:33,627 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:39:33,627 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:39:33,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-21 01:39:33,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:39:33,840 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:39:33,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:39:33,841 INFO L85 PathProgramCache]: Analyzing trace with hash -666566505, now seen corresponding path program 1 times [2021-11-21 01:39:33,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:39:33,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624212113] [2021-11-21 01:39:33,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:33,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:39:33,880 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:39:33,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1987091238] [2021-11-21 01:39:33,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:33,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:39:33,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:39:33,883 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:39:33,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90daaeca-2600-4402-8cc4-07ac7904c3a2/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:39:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:39:34,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:39:34,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:39:34,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:39:34,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:39:34,491 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:39:34,491 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:39:34,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624212113] [2021-11-21 01:39:34,492 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:39:34,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987091238] [2021-11-21 01:39:34,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987091238] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:39:34,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1012841369] [2021-11-21 01:39:34,496 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:39:34,497 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:39:34,497 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:39:34,497 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:39:34,498 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:39:34,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:34,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:39:34,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:34,670 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:39:34,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:39:34,745 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:39:34,745 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 [2021-11-21 01:39:34,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:34,776 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 [2021-11-21 01:39:34,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:34,797 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 [2021-11-21 01:39:34,844 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:39:34,845 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 [2021-11-21 01:39:35,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:35,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:35,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:35,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:39:36,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:39:36,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:39:36,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 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 [2021-11-21 01:39:36,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:39:36,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:39:36,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 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 [2021-11-21 01:39:36,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:39:36,521 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:39:36,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:39:36,567 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:39:36,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:39:36,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 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 [2021-11-21 01:39:36,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:36,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:39:37,162 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 [2021-11-21 01:39:37,172 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 [2021-11-21 01:39:37,188 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 [2021-11-21 01:39:37,217 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 01:39:37,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-21 01:39:37,237 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:39:37,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-21 01:39:37,253 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:39:37,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-21 01:39:37,320 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 [2021-11-21 01:39:37,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-21 01:39:37,345 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 [2021-11-21 01:39:37,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 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 [2021-11-21 01:39:37,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,441 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 68 treesize of output 26 [2021-11-21 01:39:37,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,563 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 46 treesize of output 16 [2021-11-21 01:39:37,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,833 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 68 treesize of output 26 [2021-11-21 01:39:37,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 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 [2021-11-21 01:39:37,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:37,950 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 46 treesize of output 16 [2021-11-21 01:39:46,586 WARN L227 SmtUtils]: Spent 8.52s 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) [2021-11-21 01:39:46,587 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:39:46,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-21 01:39:46,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:39:57,819 WARN L227 SmtUtils]: Spent 11.19s 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) [2021-11-21 01:39:57,819 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:39:57,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-21 01:40:10,599 WARN L227 SmtUtils]: Spent 12.65s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:40:10,600 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:40:10,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2842 treesize of output 2672 [2021-11-21 01:40:11,493 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 01:40:11,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25940 treesize of output 25951 [2021-11-21 01:40:12,411 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 01:40:12,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25939 treesize of output 25951 [2021-11-21 01:40:15,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:15,217 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:40:15,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:40:16,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:16,421 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:40:16,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44