./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_partial_init_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/standard_partial_init_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8 --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 59d5175089b9a27cfba8f910bda680bc8b61a004048e68040b8cf993cc9cd888 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:55:32,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:55:32,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:55:32,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:55:32,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:55:32,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:55:32,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:55:32,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:55:32,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:55:32,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:55:32,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:55:32,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:55:32,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:55:32,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:55:32,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:55:32,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:55:32,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:55:32,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:55:32,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:55:32,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:55:32,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:55:32,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:55:32,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:55:32,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:55:32,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:55:32,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:55:32,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:55:32,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:55:32,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:55:32,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:55:32,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:55:32,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:55:32,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:55:32,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:55:32,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:55:32,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:55:32,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:55:32,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:55:32,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:55:32,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:55:32,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:55:32,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:55:32,438 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:55:32,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:55:32,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:55:32,445 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:55:32,445 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:55:32,446 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:55:32,446 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:55:32,454 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:55:32,455 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:55:32,455 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:55:32,455 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:55:32,455 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:55:32,456 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:55:32,456 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:55:32,456 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:55:32,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:55:32,459 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:55:32,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:55:32,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:55:32,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:55:32,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:55:32,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:55:32,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:55:32,461 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:55:32,462 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:55:32,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:55:32,462 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:55:32,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:55:32,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:55:32,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:55:32,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:55:32,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:55:32,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:55:32,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:55:32,465 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:55:32,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:55:32,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:55:32,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:55:32,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:55:32,467 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_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59d5175089b9a27cfba8f910bda680bc8b61a004048e68040b8cf993cc9cd888 [2021-11-07 01:55:32,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:55:32,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:55:32,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:55:32,831 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:55:32,832 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:55:32,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-examples/standard_partial_init_ground.i [2021-11-07 01:55:32,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/data/798067b40/def963b0e421458fa3b4df0e1050bf96/FLAG2b9e70829 [2021-11-07 01:55:33,481 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:55:33,483 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/sv-benchmarks/c/array-examples/standard_partial_init_ground.i [2021-11-07 01:55:33,507 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/data/798067b40/def963b0e421458fa3b4df0e1050bf96/FLAG2b9e70829 [2021-11-07 01:55:33,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/data/798067b40/def963b0e421458fa3b4df0e1050bf96 [2021-11-07 01:55:33,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:55:33,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:55:33,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:55:33,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:55:33,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:55:33,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:55:33" (1/1) ... [2021-11-07 01:55:33,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae45286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:33, skipping insertion in model container [2021-11-07 01:55:33,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:55:33" (1/1) ... [2021-11-07 01:55:33,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:55:33,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:55:34,121 WARN L228 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_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/sv-benchmarks/c/array-examples/standard_partial_init_ground.i[821,834] [2021-11-07 01:55:34,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:55:34,150 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:55:34,166 WARN L228 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_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/sv-benchmarks/c/array-examples/standard_partial_init_ground.i[821,834] [2021-11-07 01:55:34,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:55:34,193 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:55:34,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:34 WrapperNode [2021-11-07 01:55:34,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:55:34,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:55:34,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:55:34,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:55:34,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:34" (1/1) ... [2021-11-07 01:55:34,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:34" (1/1) ... [2021-11-07 01:55:34,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:55:34,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:55:34,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:55:34,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:55:34,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:34" (1/1) ... [2021-11-07 01:55:34,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:34" (1/1) ... [2021-11-07 01:55:34,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:34" (1/1) ... [2021-11-07 01:55:34,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:34" (1/1) ... [2021-11-07 01:55:34,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:34" (1/1) ... [2021-11-07 01:55:34,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:34" (1/1) ... [2021-11-07 01:55:34,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:34" (1/1) ... [2021-11-07 01:55:34,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:55:34,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:55:34,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:55:34,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:55:34,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:34" (1/1) ... [2021-11-07 01:55:34,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:55:34,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:55:34,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:55:34,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:55:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:55:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:55:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:55:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:55:34,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:55:34,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:55:34,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:55:34,964 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:55:34,964 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-11-07 01:55:34,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:55:34 BoogieIcfgContainer [2021-11-07 01:55:34,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:55:34,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:55:34,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:55:34,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:55:34,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:55:33" (1/3) ... [2021-11-07 01:55:34,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e2a08e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:55:34, skipping insertion in model container [2021-11-07 01:55:34,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:34" (2/3) ... [2021-11-07 01:55:34,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e2a08e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:55:34, skipping insertion in model container [2021-11-07 01:55:34,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:55:34" (3/3) ... [2021-11-07 01:55:34,978 INFO L111 eAbstractionObserver]: Analyzing ICFG standard_partial_init_ground.i [2021-11-07 01:55:34,999 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:55:34,999 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-07 01:55:35,061 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:55:35,070 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 [2021-11-07 01:55:35,070 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 01:55:35,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:35,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 01:55:35,092 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:55:35,092 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 01:55:35,093 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:55:35,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:55:35,101 INFO L85 PathProgramCache]: Analyzing trace with hash -736359758, now seen corresponding path program 1 times [2021-11-07 01:55:35,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:55:35,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826417521] [2021-11-07 01:55:35,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:55:35,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:55:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:55:35,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:55:35,418 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:55:35,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826417521] [2021-11-07 01:55:35,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826417521] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:55:35,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:55:35,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:55:35,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295384276] [2021-11-07 01:55:35,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:55:35,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:55:35,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:55:35,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:55:35,476 INFO L87 Difference]: Start difference. First operand has 14 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:35,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:55:35,514 INFO L93 Difference]: Finished difference Result 28 states and 39 transitions. [2021-11-07 01:55:35,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:55:35,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-07 01:55:35,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:55:35,528 INFO L225 Difference]: With dead ends: 28 [2021-11-07 01:55:35,529 INFO L226 Difference]: Without dead ends: 15 [2021-11-07 01:55:35,532 INFO L786 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 [2021-11-07 01:55:35,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-07 01:55:35,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-07 01:55:35,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:35,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-11-07 01:55:35,573 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 6 [2021-11-07 01:55:35,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:55:35,574 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-11-07 01:55:35,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:35,575 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-07 01:55:35,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:55:35,576 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:55:35,576 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:55:35,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:55:35,577 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:55:35,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:55:35,579 INFO L85 PathProgramCache]: Analyzing trace with hash -150482491, now seen corresponding path program 1 times [2021-11-07 01:55:35,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:55:35,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111943610] [2021-11-07 01:55:35,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:55:35,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:55:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:55:35,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:55:35,683 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:55:35,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111943610] [2021-11-07 01:55:35,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111943610] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:55:35,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754484017] [2021-11-07 01:55:35,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:55:35,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:55:35,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:55:35,688 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:55:35,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:55:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:55:35,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:55:35,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:55:35,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:55:35,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:55:35,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:55:35,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754484017] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:55:35,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1801852556] [2021-11-07 01:55:35,925 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:55:35,925 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:55:35,932 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:55:35,940 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:55:35,940 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:55:35,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:35,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:35,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:35,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:55:35,997 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:35,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:55:36,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-07 01:55:36,043 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 55=[|v_#valid_31|]} [2021-11-07 01:55:36,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 01:55:36,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:55:36,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:55:36,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:36,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:36,227 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,340 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-07 01:55:36,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-07 01:55:36,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:36,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:36,354 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:36,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:36,395 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-07 01:55:36,418 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:55:36,418 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:191, output treesize:149 [2021-11-07 01:55:36,436 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-07 01:55:36,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:55:36,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:55:36,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:36,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:36,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,486 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:36,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:36,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:55:36,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 211 [2021-11-07 01:55:36,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:36,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:55:36,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:55:36,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:55:36,560 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:36,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:36,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-11-07 01:55:36,600 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:55:36,601 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:209, output treesize:203 [2021-11-07 01:55:36,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:36,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:36,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:36,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,840 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:36,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:36,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:55:36,912 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:55:36,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 443 [2021-11-07 01:55:36,929 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 398 [2021-11-07 01:55:36,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 399 [2021-11-07 01:55:36,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,974 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:36,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:36,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:36,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:36,992 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,028 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,031 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:37,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:37,035 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,038 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:37,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:37,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:55:37,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:55:37,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:55:37,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:37,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:37,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,069 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:55:37,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:55:37,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:37,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:37,079 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:55:37,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 475 [2021-11-07 01:55:37,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 414 [2021-11-07 01:55:37,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 488 [2021-11-07 01:55:37,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:37,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:37,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:37,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:55:37,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:55:37,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:55:37,246 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:37,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:37,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:37,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:37,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:37,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:37,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 01:55:37,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:55:37,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:55:37,325 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:37,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,402 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,442 INFO L180 QuantifierPusher]: treesize reduction 118, result has 79.7 percent of original size [2021-11-07 01:55:37,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 485 [2021-11-07 01:55:37,457 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:55:37,458 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:615, output treesize:485 [2021-11-07 01:55:37,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,638 INFO L180 QuantifierPusher]: treesize reduction 48, result has 69.6 percent of original size [2021-11-07 01:55:37,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:55:37,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:37,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,662 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,664 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:55:37,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:37,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:37,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:37,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:55:37,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:37,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:37,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:37,696 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:55:37,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:55:37,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:37,737 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:55:37,737 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:55:37,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:55:37,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:55:37,744 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:37,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:55:37,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:55:37,772 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:55:37,772 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:107, output treesize:106 [2021-11-07 01:55:37,784 INFO L180 QuantifierPusher]: treesize reduction 52, result has 49.0 percent of original size [2021-11-07 01:55:37,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:55:37,798 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.6 percent of original size [2021-11-07 01:55:37,806 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:55:37,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:55:37,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:37,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:37,871 INFO L354 Elim1Store]: treesize reduction 46, result has 41.8 percent of original size [2021-11-07 01:55:37,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 45 [2021-11-07 01:55:37,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:55:37,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:55:37,886 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:37,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,896 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-07 01:55:37,904 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:55:37,904 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:153, output treesize:156 [2021-11-07 01:55:37,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:37,961 INFO L180 QuantifierPusher]: treesize reduction 42, result has 74.5 percent of original size [2021-11-07 01:55:37,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:55:37,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:55:37,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:37,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:37,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:55:37,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:55:38,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:38,083 INFO L354 Elim1Store]: treesize reduction 90, result has 33.3 percent of original size [2021-11-07 01:55:38,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 62 [2021-11-07 01:55:38,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:38,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:55:38,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:38,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:55:38,097 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:38,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:38,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:38,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:38,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:55:38,120 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:55:38,120 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:175 [2021-11-07 01:55:38,135 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:55:38,902 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:55:38,902 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:55:38,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-07 01:55:38,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371914621] [2021-11-07 01:55:38,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:55:38,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:55:38,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:55:38,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:55:38,907 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:38,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:55:38,973 INFO L93 Difference]: Finished difference Result 33 states and 44 transitions. [2021-11-07 01:55:38,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:55:38,974 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-07 01:55:38,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:55:38,976 INFO L225 Difference]: With dead ends: 33 [2021-11-07 01:55:38,976 INFO L226 Difference]: Without dead ends: 21 [2021-11-07 01:55:38,979 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:55:38,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-07 01:55:38,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-11-07 01:55:38,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:38,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2021-11-07 01:55:38,989 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 8 [2021-11-07 01:55:38,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:55:38,990 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2021-11-07 01:55:38,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:38,990 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-11-07 01:55:38,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 01:55:38,991 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:55:38,992 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2021-11-07 01:55:39,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:55:39,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:55:39,200 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:55:39,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:55:39,201 INFO L85 PathProgramCache]: Analyzing trace with hash -186866574, now seen corresponding path program 2 times [2021-11-07 01:55:39,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:55:39,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181055763] [2021-11-07 01:55:39,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:55:39,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:55:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:55:39,370 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:55:39,371 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:55:39,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181055763] [2021-11-07 01:55:39,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181055763] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:55:39,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727301834] [2021-11-07 01:55:39,372 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:55:39,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:55:39,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:55:39,373 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:55:39,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 01:55:39,461 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:55:39,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:55:39,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:55:39,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:55:39,555 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:55:39,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:55:39,668 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:55:39,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727301834] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:55:39,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1584565918] [2021-11-07 01:55:39,672 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:55:39,672 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:55:39,672 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:55:39,673 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:55:39,673 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:55:39,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:39,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:55:39,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:39,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:55:39,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-07 01:55:39,691 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 55=[|v_#valid_32|]} [2021-11-07 01:55:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 01:55:39,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:55:39,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:55:39,731 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:39,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:39,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,817 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-07 01:55:39,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-07 01:55:39,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:39,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:39,827 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:39,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:39,836 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-07 01:55:39,842 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:55:39,842 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:191, output treesize:149 [2021-11-07 01:55:39,848 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-07 01:55:39,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:39,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,857 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:39,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:39,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:39,860 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:39,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:39,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:55:39,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:55:39,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:39,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:39,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:39,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:39,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:39,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:55:39,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 211 [2021-11-07 01:55:39,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:39,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:55:39,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:55:39,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:55:39,900 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:39,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:39,910 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:39,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-11-07 01:55:39,921 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:55:39,921 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:209, output treesize:203 [2021-11-07 01:55:39,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:39,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:39,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,053 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:55:40,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:55:40,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 443 [2021-11-07 01:55:40,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 398 [2021-11-07 01:55:40,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 399 [2021-11-07 01:55:40,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:40,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:40,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:40,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:40,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:55:40,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:55:40,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:40,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:40,139 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,145 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:40,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:40,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:55:40,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,156 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:40,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:40,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,161 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:40,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:40,165 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,168 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:55:40,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:55:40,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:55:40,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 475 [2021-11-07 01:55:40,195 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 414 [2021-11-07 01:55:40,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 488 [2021-11-07 01:55:40,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:40,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:40,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:40,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:55:40,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:55:40,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:55:40,264 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:40,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:40,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:40,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:40,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:40,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:40,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 01:55:40,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:55:40,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:55:40,309 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:40,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,389 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,415 INFO L180 QuantifierPusher]: treesize reduction 118, result has 79.7 percent of original size [2021-11-07 01:55:40,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 485 [2021-11-07 01:55:40,429 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:55:40,430 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:615, output treesize:485 [2021-11-07 01:55:40,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,538 INFO L180 QuantifierPusher]: treesize reduction 48, result has 69.6 percent of original size [2021-11-07 01:55:40,545 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,547 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:55:40,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:40,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,553 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:55:40,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:40,555 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:40,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:40,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:55:40,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:40,563 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:40,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:40,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:55:40,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:55:40,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:40,590 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:55:40,591 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:55:40,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:55:40,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:55:40,593 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:40,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,598 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,602 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:55:40,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:55:40,610 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:55:40,610 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:107, output treesize:106 [2021-11-07 01:55:40,617 INFO L180 QuantifierPusher]: treesize reduction 52, result has 49.0 percent of original size [2021-11-07 01:55:40,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:55:40,622 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.6 percent of original size [2021-11-07 01:55:40,625 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:55:40,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:55:40,663 INFO L354 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2021-11-07 01:55:40,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 33 [2021-11-07 01:55:40,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:55:40,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:55:40,673 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:40,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,680 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-07 01:55:40,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:55:40,686 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:127, output treesize:130 [2021-11-07 01:55:40,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,728 INFO L180 QuantifierPusher]: treesize reduction 42, result has 74.5 percent of original size [2021-11-07 01:55:40,731 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:55:40,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:55:40,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:40,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:55:40,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:55:40,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:40,817 INFO L354 Elim1Store]: treesize reduction 90, result has 33.3 percent of original size [2021-11-07 01:55:40,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 62 [2021-11-07 01:55:40,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:55:40,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:55:40,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:40,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:40,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:40,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:55:40,843 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:55:40,844 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:175 [2021-11-07 01:55:40,856 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:55:41,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:55:41,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:55:41,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2021-11-07 01:55:41,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425612557] [2021-11-07 01:55:41,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 01:55:41,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:55:41,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 01:55:41,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:55:41,584 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:41,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:55:41,679 INFO L93 Difference]: Finished difference Result 48 states and 65 transitions. [2021-11-07 01:55:41,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 01:55:41,680 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-07 01:55:41,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:55:41,681 INFO L225 Difference]: With dead ends: 48 [2021-11-07 01:55:41,682 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:55:41,682 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:55:41,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:55:41,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:55:41,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 32 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:41,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2021-11-07 01:55:41,689 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 14 [2021-11-07 01:55:41,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:55:41,690 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2021-11-07 01:55:41,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2021-11-07 01:55:41,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:55:41,692 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:55:41,692 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1] [2021-11-07 01:55:41,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-07 01:55:41,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-07 01:55:41,912 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:55:41,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:55:41,913 INFO L85 PathProgramCache]: Analyzing trace with hash 120780562, now seen corresponding path program 3 times [2021-11-07 01:55:41,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:55:41,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894742344] [2021-11-07 01:55:41,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:55:41,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:55:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:55:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 01:55:42,130 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:55:42,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894742344] [2021-11-07 01:55:42,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894742344] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:55:42,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99770645] [2021-11-07 01:55:42,131 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:55:42,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:55:42,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:55:42,133 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:55:42,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 01:55:42,239 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:55:42,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:55:42,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 01:55:42,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:55:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 01:55:42,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:55:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 01:55:42,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99770645] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:55:42,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [138222464] [2021-11-07 01:55:42,649 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:55:42,649 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:55:42,650 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:55:42,650 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:55:42,650 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:55:42,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:42,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:55:42,662 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:42,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:55:42,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-07 01:55:42,671 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 55=[|v_#valid_33|]} [2021-11-07 01:55:42,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 01:55:42,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:55:42,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:55:42,708 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:42,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:42,715 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,808 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-07 01:55:42,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-07 01:55:42,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:42,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:42,817 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:42,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:42,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-07 01:55:42,834 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:55:42,834 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:191, output treesize:149 [2021-11-07 01:55:42,846 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-07 01:55:42,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:42,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:42,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 01:55:42,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:55:42,858 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:42,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,865 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:42,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:55:42,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:55:42,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:42,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,872 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:42,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:55:42,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:55:42,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:42,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:55:42,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-07 01:55:42,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:42,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-07 01:55:42,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:55:42,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:55:42,907 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:42,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:42,918 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:42,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-07 01:55:42,940 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:55:42,940 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:192, output treesize:181 [2021-11-07 01:55:42,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:42,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:42,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,080 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 01:55:43,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:55:43,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 423 [2021-11-07 01:55:43,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 378 [2021-11-07 01:55:43,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-07 01:55:43,126 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:43,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:43,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:43,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:43,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:43,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:43,164 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:43,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:43,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,173 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 01:55:43,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:55:43,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 01:55:43,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:55:43,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:55:43,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,189 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:43,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:43,192 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,194 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:43,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:43,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:55:43,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 455 [2021-11-07 01:55:43,207 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-07 01:55:43,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 468 [2021-11-07 01:55:43,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:43,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:43,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:43,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:55:43,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:55:43,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:55:43,282 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:43,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:43,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:43,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:43,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:43,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:43,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-07 01:55:43,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:55:43,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:55:43,350 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:43,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,427 INFO L180 QuantifierPusher]: treesize reduction 118, result has 78.9 percent of original size [2021-11-07 01:55:43,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 465 [2021-11-07 01:55:43,438 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:55:43,439 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:595, output treesize:465 [2021-11-07 01:55:43,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,535 INFO L180 QuantifierPusher]: treesize reduction 48, result has 69.6 percent of original size [2021-11-07 01:55:43,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:55:43,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:43,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:55:43,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:43,554 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:43,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:43,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,561 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:55:43,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:43,564 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:43,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:43,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:55:43,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:55:43,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:43,595 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:55:43,596 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:55:43,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:55:43,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:55:43,599 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:43,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:55:43,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:55:43,613 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:55:43,613 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:107, output treesize:106 [2021-11-07 01:55:43,619 INFO L180 QuantifierPusher]: treesize reduction 52, result has 49.0 percent of original size [2021-11-07 01:55:43,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:55:43,626 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.6 percent of original size [2021-11-07 01:55:43,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:55:43,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:55:43,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:43,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:43,675 INFO L354 Elim1Store]: treesize reduction 46, result has 41.8 percent of original size [2021-11-07 01:55:43,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 45 [2021-11-07 01:55:43,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:55:43,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:55:43,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:43,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,688 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-07 01:55:43,694 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:55:43,694 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:153, output treesize:156 [2021-11-07 01:55:43,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,725 INFO L180 QuantifierPusher]: treesize reduction 42, result has 74.5 percent of original size [2021-11-07 01:55:43,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:55:43,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:55:43,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:43,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:55:43,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:55:43,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:43,802 INFO L354 Elim1Store]: treesize reduction 90, result has 33.3 percent of original size [2021-11-07 01:55:43,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 62 [2021-11-07 01:55:43,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:55:43,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:55:43,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:43,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:43,838 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:43,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:55:43,844 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:55:43,844 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:175 [2021-11-07 01:55:43,855 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:55:44,607 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:55:44,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:55:44,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2021-11-07 01:55:44,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700901548] [2021-11-07 01:55:44,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-07 01:55:44,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:55:44,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-07 01:55:44,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=553, Unknown=0, NotChecked=0, Total=870 [2021-11-07 01:55:44,611 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:44,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:55:44,795 INFO L93 Difference]: Finished difference Result 78 states and 107 transitions. [2021-11-07 01:55:44,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 01:55:44,796 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:55:44,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:55:44,799 INFO L225 Difference]: With dead ends: 78 [2021-11-07 01:55:44,799 INFO L226 Difference]: Without dead ends: 57 [2021-11-07 01:55:44,801 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=317, Invalid=553, Unknown=0, NotChecked=0, Total=870 [2021-11-07 01:55:44,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-11-07 01:55:44,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-11-07 01:55:44,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 56 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2021-11-07 01:55:44,820 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 26 [2021-11-07 01:55:44,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:55:44,820 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2021-11-07 01:55:44,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:44,821 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2021-11-07 01:55:44,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 01:55:44,824 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:55:44,824 INFO L513 BasicCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1] [2021-11-07 01:55:44,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:55:45,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-11-07 01:55:45,049 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:55:45,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:55:45,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1621601198, now seen corresponding path program 4 times [2021-11-07 01:55:45,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:55:45,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293483506] [2021-11-07 01:55:45,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:55:45,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:55:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:55:45,555 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-11-07 01:55:45,555 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:55:45,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293483506] [2021-11-07 01:55:45,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293483506] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:55:45,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925544269] [2021-11-07 01:55:45,556 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:55:45,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:55:45,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:55:45,557 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:55:45,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 01:55:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:55:45,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-07 01:55:45,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:55:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-11-07 01:55:45,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:55:46,974 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-11-07 01:55:46,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925544269] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:55:46,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [641137343] [2021-11-07 01:55:46,977 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:55:46,977 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:55:46,978 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:55:46,978 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:55:46,978 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:55:46,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:46,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:46,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:46,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 01:55:46,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:46,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:46,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:55:46,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-07 01:55:46,998 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 55=[|v_#valid_34|]} [2021-11-07 01:55:47,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 01:55:47,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:55:47,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:55:47,034 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:47,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,113 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-07 01:55:47,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-07 01:55:47,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:47,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:47,120 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:47,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-07 01:55:47,153 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:55:47,153 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:191, output treesize:149 [2021-11-07 01:55:47,158 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-07 01:55:47,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,164 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:47,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:47,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,168 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:47,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:47,171 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,172 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:55:47,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:55:47,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:55:47,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 211 [2021-11-07 01:55:47,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:55:47,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:55:47,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:55:47,205 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:47,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,214 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-11-07 01:55:47,229 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:55:47,229 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:209, output treesize:203 [2021-11-07 01:55:47,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,324 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:55:47,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:55:47,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 443 [2021-11-07 01:55:47,350 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 398 [2021-11-07 01:55:47,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 399 [2021-11-07 01:55:47,366 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,367 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:47,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:47,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,371 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:47,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:47,380 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:55:47,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:55:47,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,393 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:47,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:47,396 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,397 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:47,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:47,400 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:55:47,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:47,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:47,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,417 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:47,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:47,420 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,422 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:55:47,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:55:47,425 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:55:47,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 475 [2021-11-07 01:55:47,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 414 [2021-11-07 01:55:47,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 488 [2021-11-07 01:55:47,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:55:47,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:55:47,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:55:47,512 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:47,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:55:47,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 01:55:47,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:55:47,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:55:47,556 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:47,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,618 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,640 INFO L180 QuantifierPusher]: treesize reduction 118, result has 79.7 percent of original size [2021-11-07 01:55:47,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 485 [2021-11-07 01:55:47,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:55:47,651 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:615, output treesize:485 [2021-11-07 01:55:47,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,744 INFO L180 QuantifierPusher]: treesize reduction 48, result has 69.6 percent of original size [2021-11-07 01:55:47,747 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:55:47,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:47,751 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:55:47,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:47,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:47,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:47,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,761 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:55:47,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:55:47,771 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:55:47,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:55:47,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:55:47,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:55:47,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:47,797 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:55:47,798 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:55:47,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:55:47,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:55:47,801 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:47,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,805 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:55:47,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:55:47,815 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:55:47,815 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:107, output treesize:106 [2021-11-07 01:55:47,824 INFO L180 QuantifierPusher]: treesize reduction 52, result has 49.0 percent of original size [2021-11-07 01:55:47,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:55:47,829 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.6 percent of original size [2021-11-07 01:55:47,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:55:47,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:55:47,870 INFO L354 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2021-11-07 01:55:47,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 33 [2021-11-07 01:55:47,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:55:47,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:55:47,876 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:47,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,883 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-07 01:55:47,888 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:55:47,889 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:127, output treesize:130 [2021-11-07 01:55:47,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:47,927 INFO L180 QuantifierPusher]: treesize reduction 42, result has 74.5 percent of original size [2021-11-07 01:55:47,935 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,937 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:55:47,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:55:47,944 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:55:47,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:47,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:55:47,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:55:47,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:55:48,007 INFO L354 Elim1Store]: treesize reduction 90, result has 33.3 percent of original size [2021-11-07 01:55:48,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 62 [2021-11-07 01:55:48,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:48,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:55:48,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:48,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:55:48,015 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:55:48,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:55:48,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:48,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:55:48,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:55:48,028 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:55:48,029 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:175 [2021-11-07 01:55:48,039 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:55:48,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:55:48,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:55:48,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2021-11-07 01:55:48,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474628941] [2021-11-07 01:55:48,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-11-07 01:55:48,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:55:48,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-11-07 01:55:48,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1193, Invalid=1669, Unknown=0, NotChecked=0, Total=2862 [2021-11-07 01:55:48,771 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand has 49 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 48 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:49,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:55:49,172 INFO L93 Difference]: Finished difference Result 138 states and 191 transitions. [2021-11-07 01:55:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 01:55:49,172 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 48 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-11-07 01:55:49,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:55:49,174 INFO L225 Difference]: With dead ends: 138 [2021-11-07 01:55:49,174 INFO L226 Difference]: Without dead ends: 105 [2021-11-07 01:55:49,176 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1193, Invalid=1669, Unknown=0, NotChecked=0, Total=2862 [2021-11-07 01:55:49,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-11-07 01:55:49,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-11-07 01:55:49,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 103 states have (on average 1.0485436893203883) internal successors, (108), 104 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:49,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 108 transitions. [2021-11-07 01:55:49,189 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 108 transitions. Word has length 50 [2021-11-07 01:55:49,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:55:49,190 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 108 transitions. [2021-11-07 01:55:49,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 48 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:49,192 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 108 transitions. [2021-11-07 01:55:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-07 01:55:49,196 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:55:49,196 INFO L513 BasicCegarLoop]: trace histogram [46, 46, 1, 1, 1, 1, 1, 1] [2021-11-07 01:55:49,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:55:49,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-11-07 01:55:49,412 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:55:49,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:55:49,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1186852562, now seen corresponding path program 5 times [2021-11-07 01:55:49,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:55:49,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953316776] [2021-11-07 01:55:49,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:55:49,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:55:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:55:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2021-11-07 01:55:50,865 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:55:50,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953316776] [2021-11-07 01:55:50,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953316776] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:55:50,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44596333] [2021-11-07 01:55:50,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:55:50,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:55:50,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:55:50,867 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:55:50,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e58ce1fe-6e0a-43eb-a204-9db29788f6b9/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process