./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6fff6eb11b5ece9f2655331435003a1af77ee5ac869f244677acc531eb435a19 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:20:24,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:20:24,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:20:24,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:20:24,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:20:24,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:20:24,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:20:24,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:20:24,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:20:24,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:20:24,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:20:24,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:20:24,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:20:24,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:20:24,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:20:24,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:20:24,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:20:24,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:20:24,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:20:24,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:20:24,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:20:24,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:20:24,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:20:24,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:20:24,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:20:24,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:20:24,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:20:24,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:20:24,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:20:24,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:20:24,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:20:24,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:20:24,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:20:24,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:20:24,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:20:24,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:20:24,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:20:24,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:20:24,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:20:24,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:20:24,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:20:24,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:20:24,294 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:20:24,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:20:24,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:20:24,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:20:24,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:20:24,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:20:24,305 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:20:24,306 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:20:24,306 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:20:24,306 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:20:24,308 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:20:24,308 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:20:24,309 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:20:24,309 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:20:24,309 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:20:24,310 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:20:24,310 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:20:24,310 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:20:24,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:20:24,312 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:20:24,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:20:24,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:20:24,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:20:24,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:20:24,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:20:24,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:20:24,316 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:20:24,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:20:24,317 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:20:24,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:20:24,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:20:24,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:20:24,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:20:24,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:20:24,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:20:24,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:20:24,320 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:20:24,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:20:24,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:20:24,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:20:24,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:20:24,321 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_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fff6eb11b5ece9f2655331435003a1af77ee5ac869f244677acc531eb435a19 [2021-11-25 18:20:24,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:20:24,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:20:24,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:20:24,685 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:20:24,686 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:20:24,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i [2021-11-25 18:20:24,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/data/64a716f61/da532b0a0b0343f78f5f812e462ba2e3/FLAGa340f38a8 [2021-11-25 18:20:25,454 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:20:25,455 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i [2021-11-25 18:20:25,479 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/data/64a716f61/da532b0a0b0343f78f5f812e462ba2e3/FLAGa340f38a8 [2021-11-25 18:20:25,636 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/data/64a716f61/da532b0a0b0343f78f5f812e462ba2e3 [2021-11-25 18:20:25,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:20:25,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:20:25,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:20:25,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:20:25,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:20:25,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:25" (1/1) ... [2021-11-25 18:20:25,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@655c372f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:25, skipping insertion in model container [2021-11-25 18:20:25,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:25" (1/1) ... [2021-11-25 18:20:25,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:20:25,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:20:26,389 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_f0964356-0b34-42f8-8a36-ebd129ad2baa/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i[33021,33034] [2021-11-25 18:20:26,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:20:26,562 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:20:26,636 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_f0964356-0b34-42f8-8a36-ebd129ad2baa/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i[33021,33034] [2021-11-25 18:20:26,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:20:26,815 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:20:26,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:26 WrapperNode [2021-11-25 18:20:26,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:20:26,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:20:26,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:20:26,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:20:26,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:26" (1/1) ... [2021-11-25 18:20:26,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:26" (1/1) ... [2021-11-25 18:20:27,022 INFO L137 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1308 [2021-11-25 18:20:27,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:20:27,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:20:27,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:20:27,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:20:27,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:26" (1/1) ... [2021-11-25 18:20:27,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:26" (1/1) ... [2021-11-25 18:20:27,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:26" (1/1) ... [2021-11-25 18:20:27,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:26" (1/1) ... [2021-11-25 18:20:27,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:26" (1/1) ... [2021-11-25 18:20:27,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:26" (1/1) ... [2021-11-25 18:20:27,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:26" (1/1) ... [2021-11-25 18:20:27,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:20:27,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:20:27,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:20:27,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:20:27,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:26" (1/1) ... [2021-11-25 18:20:27,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:20:27,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:20:27,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:20:27,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:20:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:20:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:20:27,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:20:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:20:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:20:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:20:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:20:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:20:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:20:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:20:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:20:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:20:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:20:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:20:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:20:27,713 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:20:27,716 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:20:29,288 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:20:29,871 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:20:29,872 INFO L301 CfgBuilder]: Removed 69 assume(true) statements. [2021-11-25 18:20:29,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:29 BoogieIcfgContainer [2021-11-25 18:20:29,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:20:29,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:20:29,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:20:29,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:20:29,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:20:25" (1/3) ... [2021-11-25 18:20:29,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7909a524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:29, skipping insertion in model container [2021-11-25 18:20:29,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:26" (2/3) ... [2021-11-25 18:20:29,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7909a524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:29, skipping insertion in model container [2021-11-25 18:20:29,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:29" (3/3) ... [2021-11-25 18:20:29,887 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-2.i [2021-11-25 18:20:29,895 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:20:29,895 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:20:29,960 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:20:29,970 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:20:29,970 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:20:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 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) [2021-11-25 18:20:30,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 18:20:30,020 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:30,020 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:30,021 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:30,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:30,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1510987453, now seen corresponding path program 1 times [2021-11-25 18:20:30,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:30,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038691331] [2021-11-25 18:20:30,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:30,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:30,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:30,247 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:30,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038691331] [2021-11-25 18:20:30,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038691331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:30,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:30,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:20:30,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231306692] [2021-11-25 18:20:30,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:30,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:30,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:30,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:30,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:30,296 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 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) [2021-11-25 18:20:32,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:32,747 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2021-11-25 18:20:32,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:32,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 18:20:32,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:32,772 INFO L225 Difference]: With dead ends: 375 [2021-11-25 18:20:32,772 INFO L226 Difference]: Without dead ends: 220 [2021-11-25 18:20:32,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:32,782 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 97 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:32,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 18:20:32,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-25 18:20:32,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-25 18:20:32,851 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) [2021-11-25 18:20:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-25 18:20:32,856 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-25 18:20:32,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:32,857 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-25 18:20:32,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:32,858 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-25 18:20:32,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 18:20:32,863 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:32,863 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] [2021-11-25 18:20:32,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:20:32,864 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:32,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:32,865 INFO L85 PathProgramCache]: Analyzing trace with hash -660444059, now seen corresponding path program 1 times [2021-11-25 18:20:32,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:32,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705098394] [2021-11-25 18:20:32,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:32,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:33,171 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:20:33,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1524815441] [2021-11-25 18:20:33,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:33,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:20:33,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:20:33,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:20:33,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:20:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:34,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 3044 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:20:34,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:20:34,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:34,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:20:34,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:34,909 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:34,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705098394] [2021-11-25 18:20:34,909 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:20:34,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524815441] [2021-11-25 18:20:34,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524815441] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:20:34,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [726925456] [2021-11-25 18:20:34,970 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-25 18:20:34,970 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:20:34,975 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:20:34,981 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:20:34,997 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:20:35,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:35,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:20:35,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:35,372 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:20:35,375 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 [2021-11-25 18:20:35,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:35,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:20:35,478 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:20:35,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 18:20:35,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:20:35,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:35,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:20:35,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:35,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:35,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:35,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:20:35,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:35,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:35,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:35,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:35,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:35,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:35,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:20:36,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 18:20:36,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:20:36,145 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:20:36,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-25 18:20:36,200 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:20:36,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 18:20:36,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:20:36,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:20:36,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:20:36,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 18:20:36,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:20:36,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:20:36,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:20:36,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:36,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 18:20:36,743 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:20:37,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [726925456] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:37,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:20:37,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 18:20:37,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309489744] [2021-11-25 18:20:37,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:37,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 18:20:37,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:37,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 18:20:37,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:37,928 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) [2021-11-25 18:20:42,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:42,238 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-25 18:20:42,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 18:20:42,239 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 [2021-11-25 18:20:42,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:42,241 INFO L225 Difference]: With dead ends: 265 [2021-11-25 18:20:42,241 INFO L226 Difference]: Without dead ends: 140 [2021-11-25 18:20:42,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 142 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:42,245 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:42,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-25 18:20:42,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-25 18:20:42,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-25 18:20:42,266 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) [2021-11-25 18:20:42,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-25 18:20:42,269 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-25 18:20:42,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:42,270 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-25 18:20:42,270 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) [2021-11-25 18:20:42,270 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-25 18:20:42,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 18:20:42,274 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:42,274 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] [2021-11-25 18:20:42,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 18:20:42,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:20:42,490 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:42,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:42,490 INFO L85 PathProgramCache]: Analyzing trace with hash -2080398640, now seen corresponding path program 1 times [2021-11-25 18:20:42,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:42,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530555242] [2021-11-25 18:20:42,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:42,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:42,698 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:20:42,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1729941375] [2021-11-25 18:20:42,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:42,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:20:42,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:20:42,706 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:20:42,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:20:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:43,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 2181 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:20:43,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:20:43,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:20:43,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:20:44,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:20:44,218 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:44,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530555242] [2021-11-25 18:20:44,219 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:20:44,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729941375] [2021-11-25 18:20:44,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729941375] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:20:44,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1501606753] [2021-11-25 18:20:44,225 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-25 18:20:44,225 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:20:44,226 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:20:44,226 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:20:44,226 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:20:44,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:20:44,510 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:20:44,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-25 18:20:44,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:20:44,564 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:20:44,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 18:20:44,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:20:44,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 18:20:44,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:20:44,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 18:20:44,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:44,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:20:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:20:45,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:20:45,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:20:45,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:20:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:20:45,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:20:45,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:20:45,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2021-11-25 18:20:45,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 47 [2021-11-25 18:20:45,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:20:45,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:20:45,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,627 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:20:45,627 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 [2021-11-25 18:20:45,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:20:45,689 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:20:45,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 18:20:45,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:20:45,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:20:45,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:45,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:20:46,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:20:46,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:20:46,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 18:20:46,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 18:20:46,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:20:46,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:20:46,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:20:46,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:20:46,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:46,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:20:46,369 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:20:46,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2021-11-25 18:20:46,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2021-11-25 18:20:46,650 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 107 for LOIs [2021-11-25 18:20:46,733 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:20:48,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1501606753] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:48,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:20:48,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 18:20:48,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056112203] [2021-11-25 18:20:48,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:48,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:20:48,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:48,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:20:48,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:20:48,946 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) [2021-11-25 18:20:52,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:20:52,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:52,718 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-25 18:20:52,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 18:20:52,719 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 [2021-11-25 18:20:52,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:52,720 INFO L225 Difference]: With dead ends: 267 [2021-11-25 18:20:52,720 INFO L226 Difference]: Without dead ends: 142 [2021-11-25 18:20:52,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 174 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:20:52,723 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:52,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 465 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 77 Unchecked, 3.7s Time] [2021-11-25 18:20:52,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-25 18:20:52,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-25 18:20:52,741 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) [2021-11-25 18:20:52,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-25 18:20:52,742 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-25 18:20:52,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:52,743 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-25 18:20:52,743 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) [2021-11-25 18:20:52,743 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-25 18:20:52,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 18:20:52,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:52,746 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] [2021-11-25 18:20:52,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 18:20:52,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:20:52,961 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:52,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:52,962 INFO L85 PathProgramCache]: Analyzing trace with hash 2054535782, now seen corresponding path program 1 times [2021-11-25 18:20:52,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:52,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643773785] [2021-11-25 18:20:52,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:52,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:53,085 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:20:53,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1725305157] [2021-11-25 18:20:53,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:53,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:20:53,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:20:53,106 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:20:53,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0964356-0b34-42f8-8a36-ebd129ad2baa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:20:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:54,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:20:54,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:20:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 18:20:54,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:20:54,372 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 18:20:54,373 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:54,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643773785] [2021-11-25 18:20:54,373 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:20:54,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725305157] [2021-11-25 18:20:54,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725305157] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:20:54,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [178532034] [2021-11-25 18:20:54,381 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-25 18:20:54,381 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:20:54,381 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:20:54,382 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:20:54,382 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:20:54,508 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:20:54,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 18:20:54,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:20:54,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:20:54,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:20:54,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 18:20:54,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:20:54,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:20:54,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 18:20:54,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:20:54,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:20:54,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:20:54,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 18:20:54,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:54,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:20:55,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:20:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:20:55,108 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:20:55,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2021-11-25 18:20:55,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2021-11-25 18:20:55,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:20:55,254 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 11 treesize of output 7 [2021-11-25 18:20:55,258 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 11 treesize of output 7 [2021-11-25 18:20:55,262 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 13 treesize of output 9 [2021-11-25 18:20:55,307 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:20:55,307 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 55 treesize of output 58 [2021-11-25 18:20:55,336 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 18:20:55,337 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 53 treesize of output 56 [2021-11-25 18:20:55,401 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:20:55,401 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 47 treesize of output 50 [2021-11-25 18:20:55,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:20:55,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:20:55,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:20:55,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 18:20:55,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:20:55,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:20:55,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 18:20:55,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:20:55,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:20:55,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:21:03,419 WARN L227 SmtUtils]: Spent 7.54s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:21:03,420 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:21:03,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:21:03,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:11,335 WARN L227 SmtUtils]: Spent 7.80s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:21:11,336 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:21:11,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:21:11,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:11,928 INFO L244 Elim1Store]: Index analysis took 411 ms [2021-11-25 18:21:23,180 WARN L227 SmtUtils]: Spent 11.00s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:21:23,181 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:21:23,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 18:21:23,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:23,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:23,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:23,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:23,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-25 18:21:23,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:23,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:23,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:23,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:23,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 49 [2021-11-25 18:21:24,271 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:24,298 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:24,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,521 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:21:24,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:21:24,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:24,953 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:21:24,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 18:21:25,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:25,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:25,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 18:21:25,175 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:25,200 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:25,230 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:25,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:25,654 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 18:21:25,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44