./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V --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 f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:56:45,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:56:45,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:56:45,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:56:45,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:56:45,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:56:45,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:56:45,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:56:45,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:56:45,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:56:45,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:56:45,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:56:45,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:56:45,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:56:45,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:56:45,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:56:45,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:56:45,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:56:45,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:56:45,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:56:45,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:56:45,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:56:45,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:56:45,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:56:45,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:56:45,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:56:45,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:56:45,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:56:45,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:56:45,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:56:45,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:56:45,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:56:45,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:56:45,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:56:45,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:56:45,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:56:45,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:56:45,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:56:45,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:56:45,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:56:45,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:56:45,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 01:56:45,182 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:56:45,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:56:45,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:56:45,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:56:45,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:56:45,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:56:45,184 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:56:45,184 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:56:45,184 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:56:45,184 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 01:56:45,184 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:56:45,185 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:56:45,185 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 01:56:45,185 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 01:56:45,185 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:56:45,186 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 01:56:45,186 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 01:56:45,186 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 01:56:45,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:56:45,187 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:56:45,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:56:45,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:56:45,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:56:45,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:56:45,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:56:45,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:56:45,188 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:56:45,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:56:45,189 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:56:45,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:56:45,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:56:45,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:56:45,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:56:45,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:56:45,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:56:45,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:56:45,190 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 01:56:45,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:56:45,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:56:45,191 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:56:45,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:56:45,191 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_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 [2021-11-23 01:56:45,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:56:45,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:56:45,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:56:45,532 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:56:45,533 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:56:45,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2021-11-23 01:56:45,621 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/data/8b5c4564c/83cd149870b544199cc6af173dc7944e/FLAGc0535e7d5 [2021-11-23 01:56:46,261 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:56:46,262 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2021-11-23 01:56:46,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/data/8b5c4564c/83cd149870b544199cc6af173dc7944e/FLAGc0535e7d5 [2021-11-23 01:56:46,472 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/data/8b5c4564c/83cd149870b544199cc6af173dc7944e [2021-11-23 01:56:46,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:56:46,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:56:46,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:56:46,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:56:46,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:56:46,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:56:46" (1/1) ... [2021-11-23 01:56:46,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a42dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:46, skipping insertion in model container [2021-11-23 01:56:46,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:56:46" (1/1) ... [2021-11-23 01:56:46,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:56:46,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:56:47,125 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_66eca453-0983-47b5-a9bd-e94c285b6cac/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i[33021,33034] [2021-11-23 01:56:47,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:56:47,310 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:56:47,375 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_66eca453-0983-47b5-a9bd-e94c285b6cac/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i[33021,33034] [2021-11-23 01:56:47,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:56:47,476 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:56:47,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:47 WrapperNode [2021-11-23 01:56:47,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:56:47,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:56:47,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:56:47,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:56:47,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:47" (1/1) ... [2021-11-23 01:56:47,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:47" (1/1) ... [2021-11-23 01:56:47,612 INFO L137 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 776 [2021-11-23 01:56:47,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:56:47,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:56:47,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:56:47,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:56:47,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:47" (1/1) ... [2021-11-23 01:56:47,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:47" (1/1) ... [2021-11-23 01:56:47,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:47" (1/1) ... [2021-11-23 01:56:47,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:47" (1/1) ... [2021-11-23 01:56:47,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:47" (1/1) ... [2021-11-23 01:56:47,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:47" (1/1) ... [2021-11-23 01:56:47,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:47" (1/1) ... [2021-11-23 01:56:47,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:56:47,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:56:47,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:56:47,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:56:47,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:47" (1/1) ... [2021-11-23 01:56:47,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:56:47,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:56:47,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 01:56:47,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 01:56:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:56:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:56:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:56:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:56:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 01:56:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 01:56:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:56:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:56:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:56:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:56:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:56:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:56:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:56:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:56:47,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:56:48,144 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:56:48,162 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:56:49,175 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:56:49,571 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:56:49,572 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-23 01:56:49,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:56:49 BoogieIcfgContainer [2021-11-23 01:56:49,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:56:49,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 01:56:49,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 01:56:49,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 01:56:49,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:56:46" (1/3) ... [2021-11-23 01:56:49,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70649d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:56:49, skipping insertion in model container [2021-11-23 01:56:49,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:47" (2/3) ... [2021-11-23 01:56:49,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70649d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:56:49, skipping insertion in model container [2021-11-23 01:56:49,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:56:49" (3/3) ... [2021-11-23 01:56:49,590 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test1-2.i [2021-11-23 01:56:49,599 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 01:56:49,599 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 01:56:49,672 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 01:56:49,694 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 [2021-11-23 01:56:49,697 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 01:56:49,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 01:56:49,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:56:49,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:56:49,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:56:49,743 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:56:49,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:56:49,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1739953547, now seen corresponding path program 1 times [2021-11-23 01:56:49,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:56:49,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754742960] [2021-11-23 01:56:49,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:49,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:49,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:49,981 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:56:49,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754742960] [2021-11-23 01:56:49,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754742960] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:56:49,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:56:49,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 01:56:49,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997552012] [2021-11-23 01:56:49,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:56:49,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:56:49,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:56:50,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:56:50,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:56:50,044 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:56:52,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 01:56:52,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:56:52,205 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2021-11-23 01:56:52,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:56:52,227 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 [2021-11-23 01:56:52,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:56:52,241 INFO L225 Difference]: With dead ends: 237 [2021-11-23 01:56:52,241 INFO L226 Difference]: Without dead ends: 128 [2021-11-23 01:56:52,245 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 [2021-11-23 01:56:52,250 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:56:52,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 217 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 01:56:52,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-23 01:56:52,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2021-11-23 01:56:52,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 01:56:52,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2021-11-23 01:56:52,312 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2021-11-23 01:56:52,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:56:52,312 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2021-11-23 01:56:52,312 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) [2021-11-23 01:56:52,313 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2021-11-23 01:56:52,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:56:52,316 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:56:52,316 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:56:52,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 01:56:52,317 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:56:52,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:56:52,318 INFO L85 PathProgramCache]: Analyzing trace with hash -976039302, now seen corresponding path program 1 times [2021-11-23 01:56:52,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:56:52,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854172759] [2021-11-23 01:56:52,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:52,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:52,341 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:56:52,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1470009937] [2021-11-23 01:56:52,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:52,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:56:52,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:56:52,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:56:52,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 01:56:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:52,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:56:52,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:52,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:52,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:56:52,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:52,939 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:56:52,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854172759] [2021-11-23 01:56:52,940 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:56:52,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470009937] [2021-11-23 01:56:52,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470009937] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:56:52,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [993611851] [2021-11-23 01:56:52,987 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2021-11-23 01:56:52,987 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 01:56:53,005 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 01:56:53,015 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 01:56:53,017 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 01:56:53,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:53,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:56:53,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:53,234 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:56:53,236 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 [2021-11-23 01:56:53,298 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 01:56:53,298 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 [2021-11-23 01:56:53,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:53,342 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 [2021-11-23 01:56:53,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:53,374 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 [2021-11-23 01:56:53,461 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 01:56:53,462 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 [2021-11-23 01:56:53,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:53,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:53,986 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 [2021-11-23 01:56:54,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,019 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 70 treesize of output 67 [2021-11-23 01:56:54,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,053 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 [2021-11-23 01:56:54,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,079 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 [2021-11-23 01:56:54,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,394 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 [2021-11-23 01:56:54,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,420 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 [2021-11-23 01:56:54,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,450 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 70 treesize of output 67 [2021-11-23 01:56:54,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:54,497 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 [2021-11-23 01:56:54,521 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 01:56:55,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [993611851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:56:55,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 01:56:55,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-23 01:56:55,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338678566] [2021-11-23 01:56:55,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:56:55,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 01:56:55,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:56:55,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 01:56:55,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-23 01:56:55,652 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:56:57,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 01:56:58,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 01:57:02,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 01:57:02,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:57:02,739 INFO L93 Difference]: Finished difference Result 173 states and 232 transitions. [2021-11-23 01:57:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 01:57:02,772 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-23 01:57:02,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:57:02,774 INFO L225 Difference]: With dead ends: 173 [2021-11-23 01:57:02,774 INFO L226 Difference]: Without dead ends: 94 [2021-11-23 01:57:02,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-23 01:57:02,777 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 8 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-23 01:57:02,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 333 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 125 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2021-11-23 01:57:02,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-23 01:57:02,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2021-11-23 01:57:02,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 01:57:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2021-11-23 01:57:02,795 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2021-11-23 01:57:02,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:57:02,796 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2021-11-23 01:57:02,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:57:02,797 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2021-11-23 01:57:02,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:57:02,799 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:57:02,800 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:57:02,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 01:57:03,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:57:03,017 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:57:03,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:57:03,017 INFO L85 PathProgramCache]: Analyzing trace with hash 720340601, now seen corresponding path program 1 times [2021-11-23 01:57:03,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:57:03,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80202421] [2021-11-23 01:57:03,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:03,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:03,034 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:57:03,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1951771709] [2021-11-23 01:57:03,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:03,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:57:03,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:57:03,036 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:57:03,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 01:57:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:03,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:57:03,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:57:03,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:57:03,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:57:03,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:57:03,597 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:57:03,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80202421] [2021-11-23 01:57:03,603 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:57:03,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951771709] [2021-11-23 01:57:03,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951771709] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:57:03,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1939198994] [2021-11-23 01:57:03,621 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-23 01:57:03,621 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 01:57:03,622 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 01:57:03,622 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 01:57:03,622 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 01:57:03,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:03,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:57:03,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:03,707 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:57:03,707 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 [2021-11-23 01:57:03,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:03,724 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 [2021-11-23 01:57:03,762 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 01:57:03,763 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 [2021-11-23 01:57:03,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:03,786 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 [2021-11-23 01:57:03,836 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 01:57:03,837 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 [2021-11-23 01:57:04,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,165 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 [2021-11-23 01:57:04,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 01:57:04,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,216 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 70 treesize of output 67 [2021-11-23 01:57:04,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,241 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 [2021-11-23 01:57:04,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,328 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 [2021-11-23 01:57:04,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,359 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 [2021-11-23 01:57:04,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,378 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 [2021-11-23 01:57:04,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,432 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 [2021-11-23 01:57:04,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,463 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 100 treesize of output 105 [2021-11-23 01:57:04,522 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 01:57:04,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 125 [2021-11-23 01:57:04,596 INFO L354 Elim1Store]: treesize reduction 160, result has 11.6 percent of original size [2021-11-23 01:57:04,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 116 treesize of output 119 [2021-11-23 01:57:04,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:04,639 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 [2021-11-23 01:57:05,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,336 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 [2021-11-23 01:57:05,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,359 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 70 treesize of output 67 [2021-11-23 01:57:05,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,379 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 [2021-11-23 01:57:05,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,404 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 [2021-11-23 01:57:05,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,476 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 [2021-11-23 01:57:05,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,494 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 [2021-11-23 01:57:05,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,511 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 [2021-11-23 01:57:05,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,581 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 [2021-11-23 01:57:05,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,610 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 100 treesize of output 105 [2021-11-23 01:57:05,716 INFO L354 Elim1Store]: treesize reduction 130, result has 28.2 percent of original size [2021-11-23 01:57:05,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 117 treesize of output 150 [2021-11-23 01:57:05,782 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 01:57:05,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 143 [2021-11-23 01:57:05,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:05,817 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 [2021-11-23 01:57:05,875 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 101 for LOIs [2021-11-23 01:57:05,968 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 01:57:08,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1939198994] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:57:08,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 01:57:08,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-23 01:57:08,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722052366] [2021-11-23 01:57:08,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:57:08,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 01:57:08,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:57:08,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 01:57:08,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-23 01:57:08,200 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 01:57:11,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 01:57:12,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:57:12,253 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2021-11-23 01:57:12,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 01:57:12,277 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2021-11-23 01:57:12,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:57:12,279 INFO L225 Difference]: With dead ends: 175 [2021-11-23 01:57:12,279 INFO L226 Difference]: Without dead ends: 96 [2021-11-23 01:57:12,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 111 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-23 01:57:12,281 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 12 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 110 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-23 01:57:12,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 444 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 131 Invalid, 1 Unknown, 110 Unchecked, 4.0s Time] [2021-11-23 01:57:12,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-23 01:57:12,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-23 01:57:12,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-23 01:57:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2021-11-23 01:57:12,313 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2021-11-23 01:57:12,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:57:12,313 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2021-11-23 01:57:12,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 01:57:12,314 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2021-11-23 01:57:12,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:57:12,316 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:57:12,316 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:57:12,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-23 01:57:12,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-23 01:57:12,517 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:57:12,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:57:12,517 INFO L85 PathProgramCache]: Analyzing trace with hash 659673767, now seen corresponding path program 1 times [2021-11-23 01:57:12,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:57:12,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737247335] [2021-11-23 01:57:12,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:12,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:12,531 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:57:12,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1829592451] [2021-11-23 01:57:12,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:12,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:57:12,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:57:12,538 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:57:12,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66eca453-0983-47b5-a9bd-e94c285b6cac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 01:57:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:12,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:57:12,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:57:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:57:12,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:57:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:57:13,150 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:57:13,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737247335] [2021-11-23 01:57:13,150 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:57:13,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829592451] [2021-11-23 01:57:13,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829592451] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:57:13,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [653588541] [2021-11-23 01:57:13,155 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2021-11-23 01:57:13,155 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 01:57:13,156 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 01:57:13,157 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 01:57:13,158 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 01:57:13,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,215 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 [2021-11-23 01:57:13,250 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 01:57:13,250 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 [2021-11-23 01:57:13,292 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 01:57:13,293 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 [2021-11-23 01:57:13,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:57:13,307 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 [2021-11-23 01:57:13,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,325 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 [2021-11-23 01:57:13,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,572 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 [2021-11-23 01:57:13,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,592 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 70 treesize of output 67 [2021-11-23 01:57:13,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,613 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 [2021-11-23 01:57:13,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,635 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 [2021-11-23 01:57:13,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,666 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 [2021-11-23 01:57:13,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,681 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 [2021-11-23 01:57:13,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,757 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 [2021-11-23 01:57:13,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,820 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 [2021-11-23 01:57:13,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:13,855 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 100 treesize of output 105 [2021-11-23 01:57:13,980 INFO L354 Elim1Store]: treesize reduction 130, result has 28.2 percent of original size [2021-11-23 01:57:13,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 117 treesize of output 150 [2021-11-23 01:57:14,042 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 01:57:14,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 143 [2021-11-23 01:57:14,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,084 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 [2021-11-23 01:57:14,198 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 [2021-11-23 01:57:14,203 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 [2021-11-23 01:57:14,209 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 [2021-11-23 01:57:14,256 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 01:57:14,257 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 85 treesize of output 88 [2021-11-23 01:57:14,288 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 01:57:14,289 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 88 treesize of output 91 [2021-11-23 01:57:14,317 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 01:57:14,318 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 91 treesize of output 94 [2021-11-23 01:57:14,367 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 [2021-11-23 01:57:14,374 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 [2021-11-23 01:57:14,381 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 [2021-11-23 01:57:14,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,460 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 [2021-11-23 01:57:14,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,490 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 [2021-11-23 01:57:14,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,514 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 [2021-11-23 01:57:14,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,645 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 [2021-11-23 01:57:14,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,663 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 [2021-11-23 01:57:14,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:14,691 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 [2021-11-23 01:57:24,230 WARN L227 SmtUtils]: Spent 9.40s 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) [2021-11-23 01:57:24,231 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 01:57:24,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2853 treesize of output 2330 [2021-11-23 01:57:24,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:39,033 WARN L227 SmtUtils]: Spent 14.76s 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) [2021-11-23 01:57:39,033 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 01:57:39,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2954 treesize of output 2672 [2021-11-23 01:57:53,171 WARN L227 SmtUtils]: Spent 13.99s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 01:57:53,172 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 01:57:53,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2922 treesize of output 2692 [2021-11-23 01:57:55,403 INFO L354 Elim1Store]: treesize reduction 126, result has 25.0 percent of original size [2021-11-23 01:57:55,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 25960 treesize of output 25988 [2021-11-23 01:57:56,250 INFO L354 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2021-11-23 01:57:56,251 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 7 case distinctions, treesize of input 25970 treesize of output 25981 [2021-11-23 01:57:56,956 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:57:57,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:57,267 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 01:57:57,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 01:57:57,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:57,713 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:57:57,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-23 01:57:57,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:58,057 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 01:57:58,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 01:57:58,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:58,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:58,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:57:58,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 01:57:58,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:57:58,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:58,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2021-11-23 01:57:58,372 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:57:58,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:58,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-23 01:57:58,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:58,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:59,409 INFO L354 Elim1Store]: treesize reduction 20, result has 62.3 percent of original size [2021-11-23 01:57:59,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 77 [2021-11-23 01:57:59,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:57:59,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:59,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:59,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:59,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2021-11-23 01:57:59,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:59,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:59,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:57:59,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-11-23 01:57:59,910 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:58:01,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:01,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:01,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:01,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:01,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3011 treesize of output 2647 [2021-11-23 01:58:01,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:01,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:01,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:01,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:01,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:01,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 6927 treesize of output 6551 [2021-11-23 01:58:01,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:01,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:01,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:01,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:01,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:01,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3167 treesize of output 2791 [2021-11-23 01:58:01,889 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:58:01,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:58:02,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:02,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:02,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:02,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:02,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3067 treesize of output 2697 [2021-11-23 01:58:02,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:02,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:02,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:02,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:02,811 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-11-23 01:58:03,367 INFO L354 Elim1Store]: treesize reduction 430, result has 62.8 percent of original size [2021-11-23 01:58:03,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3088 treesize of output 3374 [2021-11-23 01:58:03,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:03,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:03,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:03,776 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-23 01:58:03,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3144 treesize of output 2700 [2021-11-23 01:58:03,891 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:58:03,926 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:58:04,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:04,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:04,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:04,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:04,161 INFO L244 Elim1Store]: Index analysis took 135 ms [2021-11-23 01:58:04,913 INFO L354 Elim1Store]: treesize reduction 430, result has 63.2 percent of original size [2021-11-23 01:58:04,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3244 treesize of output 3530 [2021-11-23 01:58:05,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:05,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:05,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:05,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:05,381 INFO L244 Elim1Store]: Index analysis took 138 ms [2021-11-23 01:58:05,510 INFO L354 Elim1Store]: treesize reduction 1160, result has 0.1 percent of original size [2021-11-23 01:58:05,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 7004 treesize of output 6554 [2021-11-23 01:58:06,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:06,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:06,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:06,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:06,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:06,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:06,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:06,649 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 01:58:06,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 6948 treesize of output 6554 [2021-11-23 01:58:06,912 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:58:06,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:06,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:07,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:07,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:07,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:07,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:07,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:07,080 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 01:58:07,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3188 treesize of output 2794 [2021-11-23 01:58:07,145 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:58:07,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:07,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:07,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:07,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:07,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:07,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:07,402 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-11-23 01:58:07,416 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 01:58:07,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3088 treesize of output 2700 [2021-11-23 01:58:07,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:07,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:07,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:07,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:07,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:07,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:07,690 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-23 01:58:07,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3032 treesize of output 2650 [2021-11-23 01:58:08,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:08,392 INFO L244 Elim1Store]: Index analysis took 244 ms [2021-11-23 01:58:11,390 INFO L354 Elim1Store]: treesize reduction 1010, result has 56.8 percent of original size [2021-11-23 01:58:11,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 7025 treesize of output 7885 [2021-11-23 01:58:13,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:13,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:13,119 INFO L244 Elim1Store]: Index analysis took 235 ms [2021-11-23 01:58:13,472 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-23 01:58:13,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 3165 treesize of output 1 [2021-11-23 01:58:13,545 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:58:13,604 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:58:13,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:13,931 INFO L244 Elim1Store]: Index analysis took 202 ms [2021-11-23 01:58:16,765 INFO L354 Elim1Store]: treesize reduction 560, result has 70.1 percent of original size [2021-11-23 01:58:16,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3265 treesize of output 4109 [2021-11-23 01:58:20,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:20,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:20,455 INFO L244 Elim1Store]: Index analysis took 204 ms [2021-11-23 01:58:20,759 INFO L354 Elim1Store]: treesize reduction 1810, result has 0.1 percent of original size [2021-11-23 01:58:20,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 3109 treesize of output 1 [2021-11-23 01:58:24,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:24,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:24,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:24,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:24,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3011 treesize of output 2647 [2021-11-23 01:58:24,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:24,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:24,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:24,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:24,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 6927 treesize of output 6551 [2021-11-23 01:58:25,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:25,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:25,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:25,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:25,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3167 treesize of output 2791 [2021-11-23 01:58:25,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:58:25,401 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:58:25,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:25,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:25,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:25,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3067 treesize of output 2697 [2021-11-23 01:58:26,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:26,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:26,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:26,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:26,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:26,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:26,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:26,271 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-11-23 01:58:26,298 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 01:58:26,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3088 treesize of output 2650 [2021-11-23 01:58:26,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:26,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:26,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:26,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:26,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:26,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:26,694 INFO L244 Elim1Store]: Index analysis took 191 ms [2021-11-23 01:58:26,718 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 01:58:26,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3144 treesize of output 2700 [2021-11-23 01:58:26,824 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:58:26,875 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:58:27,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:27,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:27,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:27,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:27,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:27,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:27,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:27,154 INFO L244 Elim1Store]: Index analysis took 152 ms [2021-11-23 01:58:27,176 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 01:58:27,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3244 treesize of output 2794 [2021-11-23 01:58:27,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:27,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:27,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:27,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:58:27,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:27,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:27,555 INFO L244 Elim1Store]: Index analysis took 160 ms [2021-11-23 01:58:27,580 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-23 01:58:27,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 7004 treesize of output 6554 [2021-11-23 01:58:31,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:31,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:31,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:32,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:58:32,035 INFO L244 Elim1Store]: Index analysis took 280 ms [2021-11-23 01:58:37,752 WARN L227 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 152 DAG size of output: 122 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 01:58:37,753 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-23 01:58:37,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 186662 treesize of output 186208