./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-programs/partial_mod_count_limited_1.c --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_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/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_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-programs/partial_mod_count_limited_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/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_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/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 8f54012f988f8b18e3a56958a20c5d2f68df7899121416cbc3449d3f0665a6c5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:44:10,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:44:10,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:44:10,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:44:10,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:44:10,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:44:10,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:44:10,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:44:10,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:44:10,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:44:10,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:44:10,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:44:10,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:44:10,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:44:10,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:44:10,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:44:10,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:44:10,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:44:10,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:44:10,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:44:10,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:44:10,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:44:10,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:44:10,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:44:10,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:44:10,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:44:10,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:44:10,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:44:10,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:44:10,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:44:10,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:44:10,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:44:10,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:44:10,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:44:10,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:44:10,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:44:10,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:44:10,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:44:10,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:44:10,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:44:10,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:44:10,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:44:10,404 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:44:10,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:44:10,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:44:10,406 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:44:10,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:44:10,407 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:44:10,407 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:44:10,407 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:44:10,413 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:44:10,414 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:44:10,414 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:44:10,415 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:44:10,415 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:44:10,415 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:44:10,415 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:44:10,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:44:10,416 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:44:10,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:44:10,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:44:10,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:44:10,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:44:10,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:44:10,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:44:10,418 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:44:10,418 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:44:10,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:44:10,418 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:44:10,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:44:10,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:44:10,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:44:10,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:44:10,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:44:10,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:44:10,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:44:10,422 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:44:10,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:44:10,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:44:10,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:44:10,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:44:10,423 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_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f54012f988f8b18e3a56958a20c5d2f68df7899121416cbc3449d3f0665a6c5 [2021-11-07 01:44:10,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:44:10,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:44:10,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:44:10,794 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:44:10,795 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:44:10,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-programs/partial_mod_count_limited_1.c [2021-11-07 01:44:10,878 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/data/7b3790d24/34536ca0845c40fb84e569ab0e799c7f/FLAG5ab683790 [2021-11-07 01:44:11,325 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:44:11,325 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/sv-benchmarks/c/array-programs/partial_mod_count_limited_1.c [2021-11-07 01:44:11,331 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/data/7b3790d24/34536ca0845c40fb84e569ab0e799c7f/FLAG5ab683790 [2021-11-07 01:44:11,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/data/7b3790d24/34536ca0845c40fb84e569ab0e799c7f [2021-11-07 01:44:11,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:44:11,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:44:11,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:44:11,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:44:11,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:44:11,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:44:11" (1/1) ... [2021-11-07 01:44:11,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc5b54d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:11, skipping insertion in model container [2021-11-07 01:44:11,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:44:11" (1/1) ... [2021-11-07 01:44:11,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:44:11,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:44:11,933 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_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/sv-benchmarks/c/array-programs/partial_mod_count_limited_1.c[331,344] [2021-11-07 01:44:11,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:44:11,958 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:44:11,969 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_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/sv-benchmarks/c/array-programs/partial_mod_count_limited_1.c[331,344] [2021-11-07 01:44:11,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:44:11,996 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:44:11,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:11 WrapperNode [2021-11-07 01:44:11,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:44:11,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:44:11,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:44:12,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:44:12,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:11" (1/1) ... [2021-11-07 01:44:12,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:11" (1/1) ... [2021-11-07 01:44:12,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:44:12,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:44:12,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:44:12,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:44:12,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:11" (1/1) ... [2021-11-07 01:44:12,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:11" (1/1) ... [2021-11-07 01:44:12,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:11" (1/1) ... [2021-11-07 01:44:12,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:11" (1/1) ... [2021-11-07 01:44:12,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:11" (1/1) ... [2021-11-07 01:44:12,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:11" (1/1) ... [2021-11-07 01:44:12,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:11" (1/1) ... [2021-11-07 01:44:12,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:44:12,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:44:12,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:44:12,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:44:12,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:11" (1/1) ... [2021-11-07 01:44:12,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:44:12,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:12,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:44:12,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:44:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:44:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:44:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:44:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:44:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:44:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:44:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:44:12,648 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:44:12,648 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-07 01:44:12,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:44:12 BoogieIcfgContainer [2021-11-07 01:44:12,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:44:12,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:44:12,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:44:12,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:44:12,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:44:11" (1/3) ... [2021-11-07 01:44:12,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6f2cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:44:12, skipping insertion in model container [2021-11-07 01:44:12,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:11" (2/3) ... [2021-11-07 01:44:12,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6f2cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:44:12, skipping insertion in model container [2021-11-07 01:44:12,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:44:12" (3/3) ... [2021-11-07 01:44:12,668 INFO L111 eAbstractionObserver]: Analyzing ICFG partial_mod_count_limited_1.c [2021-11-07 01:44:12,682 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:44:12,683 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:44:12,738 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:44:12,750 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 01:44:12,750 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:44:12,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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 01:44:12,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-07 01:44:12,768 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:12,769 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-07 01:44:12,769 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:12,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:12,775 INFO L85 PathProgramCache]: Analyzing trace with hash 111317211, now seen corresponding path program 1 times [2021-11-07 01:44:12,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:44:12,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713258351] [2021-11-07 01:44:12,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:12,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:44:12,862 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 01:44:12,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2118531931] [2021-11-07 01:44:12,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:12,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:12,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:12,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:44:12,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:44:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:12,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:44:12,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:13,029 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 01:44:13,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:13,050 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 01:44:13,050 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:44:13,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713258351] [2021-11-07 01:44:13,051 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:44:13,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118531931] [2021-11-07 01:44:13,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118531931] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:44:13,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:44:13,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:44:13,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219135652] [2021-11-07 01:44:13,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:44:13,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:44:13,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:44:13,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:44:13,075 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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 01:44:13,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:13,108 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2021-11-07 01:44:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:44:13,110 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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 5 [2021-11-07 01:44:13,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:13,117 INFO L225 Difference]: With dead ends: 16 [2021-11-07 01:44:13,118 INFO L226 Difference]: Without dead ends: 9 [2021-11-07 01:44:13,120 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:44:13,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-07 01:44:13,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-07 01:44:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 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 01:44:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-11-07 01:44:13,150 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 5 [2021-11-07 01:44:13,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:13,151 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-11-07 01:44:13,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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 01:44:13,151 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-07 01:44:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 01:44:13,152 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:13,152 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-11-07 01:44:13,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:13,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-07 01:44:13,373 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:13,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:13,374 INFO L85 PathProgramCache]: Analyzing trace with hash -163981861, now seen corresponding path program 1 times [2021-11-07 01:44:13,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:44:13,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720942441] [2021-11-07 01:44:13,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:13,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:44:13,389 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 01:44:13,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1571527539] [2021-11-07 01:44:13,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:13,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:13,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:13,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:44:13,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 01:44:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:13,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:44:13,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:13,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:13,653 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:44:13,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720942441] [2021-11-07 01:44:13,653 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:44:13,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571527539] [2021-11-07 01:44:13,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571527539] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:13,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [35125165] [2021-11-07 01:44:13,682 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-07 01:44:13,682 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:44:13,693 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:44:13,698 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:44:13,698 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:44:13,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:13,734 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:13,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:13,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:13,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:13,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:13,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:44:13,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-11-07 01:44:13,790 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 36=[|v_#valid_32|]} [2021-11-07 01:44:13,806 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:13,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:13,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:13,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:13,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:13,809 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:13,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:13,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:13,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:13,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:13,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:13,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:13,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:13,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:13,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:13,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 23 [2021-11-07 01:44:13,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:13,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:13,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:13,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:13,875 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:13,889 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:13,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:13,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:13,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:13,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:13,898 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:13,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:14,048 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 39 treesize of output 38 [2021-11-07 01:44:14,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:14,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:14,118 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:14,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:14,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,146 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.9 percent of original size [2021-11-07 01:44:14,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-11-07 01:44:14,153 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:14,155 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:587, output treesize:157 [2021-11-07 01:44:14,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:44:14,220 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:44:14,229 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:14,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-07 01:44:14,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:44:14,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:44:14,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:44:14,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-07 01:44:14,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 1 [2021-11-07 01:44:14,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:14,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:14,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:14,363 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:14,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:14,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:14,366 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:14,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:14,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:14,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2021-11-07 01:44:14,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:14,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:14,408 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:14,423 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:14,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:14,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:14,426 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:14,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:14,451 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:44:14,460 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:14,464 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:869, output treesize:189 [2021-11-07 01:44:14,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:14,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:14,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:14,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:44:14,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,717 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,740 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,751 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:44:14,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:44:14,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 385 [2021-11-07 01:44:14,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-07 01:44:14,790 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:14,823 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:44:14,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:44:14,837 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 376 [2021-11-07 01:44:14,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:44:14,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:44:14,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-07 01:44:14,892 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 378 [2021-11-07 01:44:14,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 786 [2021-11-07 01:44:14,924 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 434 [2021-11-07 01:44:14,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 812 [2021-11-07 01:44:14,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:14,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 460 [2021-11-07 01:44:14,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 461 [2021-11-07 01:44:14,984 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:14,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,008 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,030 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:44:15,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:44:15,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 385 [2021-11-07 01:44:15,053 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-07 01:44:15,082 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,115 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:15,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:44:15,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:44:15,140 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 376 [2021-11-07 01:44:15,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:44:15,173 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:44:15,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-07 01:44:15,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 378 [2021-11-07 01:44:15,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 786 [2021-11-07 01:44:15,209 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 434 [2021-11-07 01:44:15,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 812 [2021-11-07 01:44:15,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 460 [2021-11-07 01:44:15,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 461 [2021-11-07 01:44:15,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:44:15,297 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:44:15,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:15,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-07 01:44:15,305 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:44:15,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:44:15,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:44:15,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,319 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:44:15,322 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:44:15,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:44:15,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:44:15,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-07 01:44:15,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:44:15,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:15,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-11-07 01:44:15,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 724 [2021-11-07 01:44:15,384 INFO L446 ElimStorePlain]: Different costs {6=[|v_#memory_int_31|], 12=[v_prenex_1]} [2021-11-07 01:44:15,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:15,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:15,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:15,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 1 [2021-11-07 01:44:15,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:15,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:15,501 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:15,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:15,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:15,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:15,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2021-11-07 01:44:15,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:15,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:15,649 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:15,671 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:15,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:15,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:15,673 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:15,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:15,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:15,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:15,707 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:15,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:15,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:15,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:15,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:15,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 50 [2021-11-07 01:44:15,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:44:15,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:15,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:44:15,987 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:16,004 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:16,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,006 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:16,023 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:16,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,025 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:16,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:16,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:16,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:16,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:16,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 38 [2021-11-07 01:44:16,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:44:16,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:44:16,093 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:16,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:16,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:16,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:16,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:16,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 1 [2021-11-07 01:44:16,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,131 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:16,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:16,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:16,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:16,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:16,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 1 [2021-11-07 01:44:16,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,199 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:16,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:16,290 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,323 INFO L180 QuantifierPusher]: treesize reduction 236, result has 73.5 percent of original size [2021-11-07 01:44:16,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 654 [2021-11-07 01:44:16,335 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:44:16,335 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:3172, output treesize:654 [2021-11-07 01:44:16,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:16,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:16,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:16,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:16,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:16,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:16,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:16,499 INFO L180 QuantifierPusher]: treesize reduction 60, result has 77.9 percent of original size [2021-11-07 01:44:16,511 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:16,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:44:16,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:16,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,515 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:16,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:44:16,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:16,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:16,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:16,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:16,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-07 01:44:16,527 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:16,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:16,529 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:16,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:16,531 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:16,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:44:16,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 330 [2021-11-07 01:44:16,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:16,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-07 01:44:16,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,572 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:16,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:16,599 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:16,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2021-11-07 01:44:16,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,615 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:16,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:16,644 INFO L628 ElimStorePlain]: treesize reduction 14, result has 97.6 percent of original size [2021-11-07 01:44:16,657 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:16,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,659 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:16,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:16,680 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:16,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2021-11-07 01:44:16,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,696 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:16,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:16,712 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,719 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:16,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:16,722 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:16,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:16,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:44:16,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:44:16,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:44:16,746 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:16,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:16,757 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-07 01:44:16,765 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:44:16,765 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:710, output treesize:198 [2021-11-07 01:44:16,779 INFO L180 QuantifierPusher]: treesize reduction 61, result has 53.8 percent of original size [2021-11-07 01:44:16,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 01:44:16,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:16,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:44:16,800 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:44:17,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [35125165] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:44:17,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:44:17,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 10 [2021-11-07 01:44:17,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810496681] [2021-11-07 01:44:17,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:44:17,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:44:17,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:44:17,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:44:17,190 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 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 01:44:17,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:17,236 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2021-11-07 01:44:17,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:44:17,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 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 7 [2021-11-07 01:44:17,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:17,237 INFO L225 Difference]: With dead ends: 14 [2021-11-07 01:44:17,237 INFO L226 Difference]: Without dead ends: 12 [2021-11-07 01:44:17,238 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:44:17,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-11-07 01:44:17,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-11-07 01:44:17,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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 01:44:17,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2021-11-07 01:44:17,243 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 7 [2021-11-07 01:44:17,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:17,243 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2021-11-07 01:44:17,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 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 01:44:17,243 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-11-07 01:44:17,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 01:44:17,244 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:17,245 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:17,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:17,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:17,456 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:17,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:17,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1800931531, now seen corresponding path program 1 times [2021-11-07 01:44:17,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:44:17,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918497002] [2021-11-07 01:44:17,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:17,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:44:17,463 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 01:44:17,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [98682532] [2021-11-07 01:44:17,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:17,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:17,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:17,473 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:44:17,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 01:44:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:17,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:44:17,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:17,594 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:44:17,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:17,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:44:17,645 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:44:17,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918497002] [2021-11-07 01:44:17,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:44:17,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98682532] [2021-11-07 01:44:17,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98682532] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:17,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1820052737] [2021-11-07 01:44:17,652 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:44:17,652 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:44:17,652 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:44:17,653 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:44:17,653 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:44:17,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:17,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:17,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:17,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:44:17,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-11-07 01:44:17,681 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 36=[|v_#valid_33|]} [2021-11-07 01:44:17,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 23 [2021-11-07 01:44:17,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:17,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:17,724 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:17,734 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:17,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:17,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:17,737 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:17,745 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:17,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:17,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:17,747 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:17,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:17,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 39 treesize of output 38 [2021-11-07 01:44:17,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:17,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:17,810 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:17,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:17,818 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,821 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.9 percent of original size [2021-11-07 01:44:17,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-11-07 01:44:17,829 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:17,829 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:587, output treesize:157 [2021-11-07 01:44:17,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:17,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:17,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:17,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:17,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:17,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:44:17,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:17,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:44:17,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:44:17,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:17,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:44:17,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-07 01:44:17,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:17,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:44:17,866 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.9 percent of original size 259 [2021-11-07 01:44:17,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:17,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:17,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:17,883 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:17,893 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:17,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:17,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:17,898 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:17,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 1 [2021-11-07 01:44:17,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:17,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:17,923 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:17,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:17,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:17,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 23 [2021-11-07 01:44:17,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:17,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:17,941 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:17,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:17,950 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:17,953 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-07 01:44:17,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 173 [2021-11-07 01:44:17,971 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:17,971 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:781, output treesize:173 [2021-11-07 01:44:17,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:17,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:18,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:18,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:44:18,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,114 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:44:18,121 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,123 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:18,126 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:44:18,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-07 01:44:18,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:44:18,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:44:18,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:44:18,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,140 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:18,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:44:18,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:44:18,147 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-07 01:44:18,150 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:44:18,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:44:18,153 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:44:18,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 553 [2021-11-07 01:44:18,161 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 440 [2021-11-07 01:44:18,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 441 [2021-11-07 01:44:18,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,194 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:44:18,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:18,207 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:44:18,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-07 01:44:18,210 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:44:18,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:44:18,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:44:18,217 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,220 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,222 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:18,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:44:18,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:44:18,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-07 01:44:18,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:44:18,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:44:18,239 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:44:18,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 553 [2021-11-07 01:44:18,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 440 [2021-11-07 01:44:18,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 441 [2021-11-07 01:44:18,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:18,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:44:18,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:44:18,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-07 01:44:18,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:44:18,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:44:18,310 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:44:18,315 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:44:18,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,322 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:18,325 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:44:18,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-07 01:44:18,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:44:18,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:44:18,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:18,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:44:18,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 707 [2021-11-07 01:44:18,364 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_7], 12=[|v_#memory_int_36|]} [2021-11-07 01:44:18,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:18,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:18,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:18,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 1 [2021-11-07 01:44:18,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:18,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:18,488 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:18,516 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:18,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:18,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:18,518 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:18,534 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:18,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:18,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:18,537 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:18,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:18,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:18,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:18,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2021-11-07 01:44:18,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:18,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:18,587 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:18,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:18,774 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:18,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:18,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:18,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:44:18,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:44:18,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:44:18,827 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:18,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:18,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:18,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:18,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:18,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2021-11-07 01:44:18,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:18,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:18,922 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:18,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:18,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:18,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:18,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:18,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 1 [2021-11-07 01:44:18,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:18,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:18,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:18,986 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:19,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:19,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:19,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:19,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:19,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 1 [2021-11-07 01:44:19,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,022 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:19,037 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:19,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,039 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:19,053 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:19,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,055 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:19,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,140 INFO L180 QuantifierPusher]: treesize reduction 226, result has 73.8 percent of original size [2021-11-07 01:44:19,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 636 [2021-11-07 01:44:19,150 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:44:19,151 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:3088, output treesize:636 [2021-11-07 01:44:19,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,242 INFO L180 QuantifierPusher]: treesize reduction 60, result has 77.9 percent of original size [2021-11-07 01:44:19,254 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:19,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:44:19,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:19,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:19,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:44:19,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:19,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:19,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:19,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:19,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-07 01:44:19,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:19,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:44:19,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:19,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:19,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:19,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:19,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 330 [2021-11-07 01:44:19,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:19,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2021-11-07 01:44:19,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,310 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:19,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,327 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:44:19,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:44:19,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:44:19,339 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:19,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,362 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:19,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,364 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:19,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,376 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:19,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-07 01:44:19,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,387 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:19,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:19,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2021-11-07 01:44:19,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,408 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:19,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,418 INFO L628 ElimStorePlain]: treesize reduction 14, result has 95.7 percent of original size [2021-11-07 01:44:19,424 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:19,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:19,427 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:19,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,434 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-07 01:44:19,439 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:44:19,440 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:710, output treesize:198 [2021-11-07 01:44:19,448 INFO L180 QuantifierPusher]: treesize reduction 61, result has 53.8 percent of original size [2021-11-07 01:44:19,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 01:44:19,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:44:19,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-11-07 01:44:19,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:19,506 INFO L180 QuantifierPusher]: treesize reduction 54, result has 72.7 percent of original size [2021-11-07 01:44:19,508 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:19,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:44:19,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:44:19,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-07 01:44:19,529 INFO L180 QuantifierPusher]: treesize reduction 54, result has 72.7 percent of original size [2021-11-07 01:44:19,531 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:19,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:19,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:44:19,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:44:19,544 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:44:20,351 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:44:20,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:44:20,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-11-07 01:44:20,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015528298] [2021-11-07 01:44:20,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:44:20,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:44:20,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:44:20,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:44:20,354 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 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 01:44:20,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:20,390 INFO L93 Difference]: Finished difference Result 22 states and 27 transitions. [2021-11-07 01:44:20,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:44:20,392 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 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 10 [2021-11-07 01:44:20,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:20,392 INFO L225 Difference]: With dead ends: 22 [2021-11-07 01:44:20,392 INFO L226 Difference]: Without dead ends: 15 [2021-11-07 01:44:20,393 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:44:20,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-07 01:44:20,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-07 01:44:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 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 01:44:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2021-11-07 01:44:20,397 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 10 [2021-11-07 01:44:20,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:20,397 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-11-07 01:44:20,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 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 01:44:20,398 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2021-11-07 01:44:20,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 01:44:20,398 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:20,398 INFO L513 BasicCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:20,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:20,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-11-07 01:44:20,620 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:20,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:20,621 INFO L85 PathProgramCache]: Analyzing trace with hash -478876363, now seen corresponding path program 2 times [2021-11-07 01:44:20,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:44:20,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739936610] [2021-11-07 01:44:20,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:20,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:44:20,627 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 01:44:20,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [223127698] [2021-11-07 01:44:20,627 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:44:20,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:20,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:20,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:44:20,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 01:44:20,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 01:44:20,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:44:20,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-07 01:44:20,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:21,104 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:44:21,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739936610] [2021-11-07 01:44:21,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:44:21,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223127698] [2021-11-07 01:44:21,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [ULTIMATE.start_main_~i~0] [2021-11-07 01:44:21,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [943442200] [2021-11-07 01:44:21,109 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:44:21,110 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:44:21,110 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:44:21,110 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:44:21,110 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:44:21,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:21,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:44:21,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-11-07 01:44:21,137 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_19|], 36=[|v_#valid_34|]} [2021-11-07 01:44:21,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:21,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,148 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:21,156 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:21,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,158 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:21,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 23 [2021-11-07 01:44:21,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:21,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:44:21,185 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:21,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:21,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 39 treesize of output 38 [2021-11-07 01:44:21,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:21,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:21,230 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:21,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:21,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,241 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.9 percent of original size [2021-11-07 01:44:21,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-11-07 01:44:21,244 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:21,244 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:587, output treesize:157 [2021-11-07 01:44:21,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:21,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:44:21,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:44:21,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:44:21,267 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:44:21,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-07 01:44:21,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:44:21,276 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.9 percent of original size 259 [2021-11-07 01:44:21,291 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:21,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,293 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:21,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 1 [2021-11-07 01:44:21,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,315 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:21,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:21,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 23 [2021-11-07 01:44:21,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:21,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:21,339 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:21,347 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:21,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,349 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:21,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:21,356 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,377 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-07 01:44:21,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 173 [2021-11-07 01:44:21,380 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:21,381 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:781, output treesize:173 [2021-11-07 01:44:21,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:21,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:21,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:21,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:44:21,464 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,484 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:44:21,486 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:44:21,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:21,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-07 01:44:21,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:44:21,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:44:21,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:44:21,508 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:44:21,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,515 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:44:21,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:21,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:44:21,522 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-07 01:44:21,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:44:21,527 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:44:21,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 553 [2021-11-07 01:44:21,534 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 440 [2021-11-07 01:44:21,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 441 [2021-11-07 01:44:21,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:44:21,569 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:44:21,574 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:21,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-07 01:44:21,577 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:44:21,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:44:21,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:44:21,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:44:21,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,590 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:44:21,593 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:21,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:44:21,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-07 01:44:21,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:44:21,599 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:44:21,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 553 [2021-11-07 01:44:21,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 440 [2021-11-07 01:44:21,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 441 [2021-11-07 01:44:21,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:44:21,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:44:21,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:21,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:44:21,646 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-07 01:44:21,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:44:21,649 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:44:21,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:44:21,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:44:21,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:21,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-07 01:44:21,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:44:21,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:44:21,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:21,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:44:21,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 707 [2021-11-07 01:44:21,704 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_13], 12=[|v_#memory_int_39|]} [2021-11-07 01:44:21,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:21,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2021-11-07 01:44:21,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:21,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:44:21,765 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:21,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:21,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,786 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:21,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:21,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 1 [2021-11-07 01:44:21,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,839 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:21,858 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:21,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:21,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:21,862 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:21,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:21,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,005 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:22,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,007 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:22,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 1 [2021-11-07 01:44:22,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,064 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:22,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 1 [2021-11-07 01:44:22,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,101 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:22,116 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:22,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,118 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:22,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:44:22,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:44:22,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:44:22,159 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:22,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2021-11-07 01:44:22,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:22,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:44:22,231 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:22,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,327 INFO L180 QuantifierPusher]: treesize reduction 226, result has 73.8 percent of original size [2021-11-07 01:44:22,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 636 [2021-11-07 01:44:22,337 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:44:22,337 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:3088, output treesize:636 [2021-11-07 01:44:22,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,423 INFO L180 QuantifierPusher]: treesize reduction 60, result has 77.9 percent of original size [2021-11-07 01:44:22,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:22,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:44:22,429 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:22,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:22,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:44:22,431 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:22,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:22,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:22,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:22,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-07 01:44:22,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:22,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:44:22,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:22,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:44:22,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:22,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:44:22,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 330 [2021-11-07 01:44:22,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:44:22,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:44:22,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:44:22,472 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:22,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,497 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:22,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,500 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:22,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,514 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:22,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2021-11-07 01:44:22,524 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,526 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:22,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,540 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-07 01:44:22,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,552 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:22,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,563 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:22,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2021-11-07 01:44:22,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,576 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:22,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,592 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:44:22,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:22,595 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:22,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-07 01:44:22,608 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:44:22,609 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:710, output treesize:198 [2021-11-07 01:44:22,619 INFO L180 QuantifierPusher]: treesize reduction 61, result has 53.8 percent of original size [2021-11-07 01:44:22,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 01:44:22,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:44:22,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,633 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size 128 [2021-11-07 01:44:22,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:22,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:44:22,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-07 01:44:22,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 302 [2021-11-07 01:44:22,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:22,775 INFO L180 QuantifierPusher]: treesize reduction 54, result has 72.7 percent of original size [2021-11-07 01:44:22,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:22,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:44:22,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:44:22,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-07 01:44:22,796 INFO L180 QuantifierPusher]: treesize reduction 54, result has 72.7 percent of original size [2021-11-07 01:44:22,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:22,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:22,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:44:22,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:44:22,807 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:44:23,607 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:44:23,607 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:44:23,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-07 01:44:23,607 ERROR L172 FreeRefinementEngine]: Strategy SIFA_TAIPAN failed to provide any proof altough trace is infeasible [2021-11-07 01:44:23,607 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-11-07 01:44:23,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:44:23,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:23,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:23,830 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2021-11-07 01:44:23,832 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:44:23,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:44:23 BoogieIcfgContainer [2021-11-07 01:44:23,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:44:23,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:44:23,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:44:23,848 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:44:23,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:44:12" (3/4) ... [2021-11-07 01:44:23,851 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 01:44:23,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:44:23,852 INFO L168 Benchmark]: Toolchain (without parser) took 12110.89 ms. Allocated memory was 94.4 MB in the beginning and 211.8 MB in the end (delta: 117.4 MB). Free memory was 62.4 MB in the beginning and 109.5 MB in the end (delta: -47.1 MB). Peak memory consumption was 70.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:44:23,852 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 94.4 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:44:23,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.28 ms. Allocated memory is still 94.4 MB. Free memory was 62.2 MB in the beginning and 69.4 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:44:23,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.10 ms. Allocated memory is still 94.4 MB. Free memory was 69.4 MB in the beginning and 67.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:44:23,853 INFO L168 Benchmark]: Boogie Preprocessor took 52.10 ms. Allocated memory is still 94.4 MB. Free memory was 67.5 MB in the beginning and 66.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:44:23,853 INFO L168 Benchmark]: RCFGBuilder took 551.47 ms. Allocated memory is still 94.4 MB. Free memory was 66.3 MB in the beginning and 49.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:44:23,853 INFO L168 Benchmark]: TraceAbstraction took 11185.81 ms. Allocated memory was 94.4 MB in the beginning and 211.8 MB in the end (delta: 117.4 MB). Free memory was 49.2 MB in the beginning and 109.5 MB in the end (delta: -60.3 MB). Peak memory consumption was 58.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:44:23,853 INFO L168 Benchmark]: Witness Printer took 3.43 ms. Allocated memory is still 211.8 MB. Free memory is still 109.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:44:23,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 94.4 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 252.28 ms. Allocated memory is still 94.4 MB. Free memory was 62.2 MB in the beginning and 69.4 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.10 ms. Allocated memory is still 94.4 MB. Free memory was 69.4 MB in the beginning and 67.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.10 ms. Allocated memory is still 94.4 MB. Free memory was 67.5 MB in the beginning and 66.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 551.47 ms. Allocated memory is still 94.4 MB. Free memory was 66.3 MB in the beginning and 49.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11185.81 ms. Allocated memory was 94.4 MB in the beginning and 211.8 MB in the end (delta: 117.4 MB). Free memory was 49.2 MB in the beginning and 109.5 MB in the end (delta: -60.3 MB). Peak memory consumption was 58.8 MB. Max. memory is 16.1 GB. * Witness Printer took 3.43 ms. Allocated memory is still 211.8 MB. Free memory is still 109.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L10] int N = 1000000; [L12] int i,j=0,k=0,a[N]; [L13] int lim=__VERIFIER_nondet_int(); [L14] unsigned int R=1; [L7] COND TRUE !cond [L16] i=0 [L16] COND TRUE i main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/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 -> 8f54012f988f8b18e3a56958a20c5d2f68df7899121416cbc3449d3f0665a6c5 [2021-11-07 01:44:26,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:44:26,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:44:26,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:44:26,993 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:44:26,994 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:44:26,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-programs/partial_mod_count_limited_1.c [2021-11-07 01:44:27,077 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/data/c1ddfa2ad/1925765535934cc9929051e6cdbbd3dc/FLAG6835dfea6 [2021-11-07 01:44:27,673 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:44:27,674 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/sv-benchmarks/c/array-programs/partial_mod_count_limited_1.c [2021-11-07 01:44:27,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/data/c1ddfa2ad/1925765535934cc9929051e6cdbbd3dc/FLAG6835dfea6 [2021-11-07 01:44:28,045 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/data/c1ddfa2ad/1925765535934cc9929051e6cdbbd3dc [2021-11-07 01:44:28,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:44:28,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:44:28,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:44:28,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:44:28,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:44:28,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:44:28" (1/1) ... [2021-11-07 01:44:28,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63c9e831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:28, skipping insertion in model container [2021-11-07 01:44:28,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:44:28" (1/1) ... [2021-11-07 01:44:28,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:44:28,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:44:28,202 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_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/sv-benchmarks/c/array-programs/partial_mod_count_limited_1.c[331,344] [2021-11-07 01:44:28,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:44:28,234 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:44:28,249 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_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/sv-benchmarks/c/array-programs/partial_mod_count_limited_1.c[331,344] [2021-11-07 01:44:28,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:44:28,288 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:44:28,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:28 WrapperNode [2021-11-07 01:44:28,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:44:28,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:44:28,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:44:28,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:44:28,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:28" (1/1) ... [2021-11-07 01:44:28,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:28" (1/1) ... [2021-11-07 01:44:28,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:44:28,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:44:28,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:44:28,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:44:28,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:28" (1/1) ... [2021-11-07 01:44:28,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:28" (1/1) ... [2021-11-07 01:44:28,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:28" (1/1) ... [2021-11-07 01:44:28,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:28" (1/1) ... [2021-11-07 01:44:28,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:28" (1/1) ... [2021-11-07 01:44:28,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:28" (1/1) ... [2021-11-07 01:44:28,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:28" (1/1) ... [2021-11-07 01:44:28,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:44:28,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:44:28,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:44:28,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:44:28,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:28" (1/1) ... [2021-11-07 01:44:28,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:44:28,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:28,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:44:28,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:44:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:44:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:44:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:44:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:44:28,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:44:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:44:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:44:28,902 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:44:28,902 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-07 01:44:28,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:44:28 BoogieIcfgContainer [2021-11-07 01:44:28,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:44:28,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:44:28,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:44:28,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:44:28,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:44:28" (1/3) ... [2021-11-07 01:44:28,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f630e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:44:28, skipping insertion in model container [2021-11-07 01:44:28,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:28" (2/3) ... [2021-11-07 01:44:28,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f630e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:44:28, skipping insertion in model container [2021-11-07 01:44:28,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:44:28" (3/3) ... [2021-11-07 01:44:28,912 INFO L111 eAbstractionObserver]: Analyzing ICFG partial_mod_count_limited_1.c [2021-11-07 01:44:28,918 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:44:28,918 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:44:28,983 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:44:28,989 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 01:44:28,989 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:44:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 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 01:44:29,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:44:29,008 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:29,009 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:29,010 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:29,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:29,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1939796378, now seen corresponding path program 1 times [2021-11-07 01:44:29,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:44:29,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773117540] [2021-11-07 01:44:29,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:29,031 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:44:29,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:44:29,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:44:29,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:44:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:29,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:44:29,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:29,297 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 01:44:29,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:29,368 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 01:44:29,369 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:44:29,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773117540] [2021-11-07 01:44:29,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773117540] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:44:29,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:44:29,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:44:29,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167452954] [2021-11-07 01:44:29,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:44:29,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:44:29,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:44:29,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:44:29,400 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 01:44:29,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:29,418 INFO L93 Difference]: Finished difference Result 39 states and 54 transitions. [2021-11-07 01:44:29,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:44:29,420 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-11-07 01:44:29,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:29,428 INFO L225 Difference]: With dead ends: 39 [2021-11-07 01:44:29,428 INFO L226 Difference]: Without dead ends: 17 [2021-11-07 01:44:29,431 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:44:29,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-11-07 01:44:29,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-07 01:44:29,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 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 01:44:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-11-07 01:44:29,468 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 11 [2021-11-07 01:44:29,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:29,468 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-11-07 01:44:29,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 01:44:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-07 01:44:29,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:44:29,470 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:29,470 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:29,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:29,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:44:29,683 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:29,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:29,684 INFO L85 PathProgramCache]: Analyzing trace with hash -54935082, now seen corresponding path program 1 times [2021-11-07 01:44:29,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:44:29,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810560524] [2021-11-07 01:44:29,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:29,685 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:44:29,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:44:29,691 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:44:29,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:44:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:29,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:44:29,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:29,905 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 01:44:29,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:29,971 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 01:44:29,977 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:44:29,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1810560524] [2021-11-07 01:44:29,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1810560524] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:44:29,978 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:44:29,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-07 01:44:29,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195570807] [2021-11-07 01:44:29,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:44:29,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:44:29,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:44:29,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:44:29,983 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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 01:44:30,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:30,244 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-11-07 01:44:30,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:44:30,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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 11 [2021-11-07 01:44:30,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:30,246 INFO L225 Difference]: With dead ends: 39 [2021-11-07 01:44:30,246 INFO L226 Difference]: Without dead ends: 31 [2021-11-07 01:44:30,247 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:44:30,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-07 01:44:30,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 23. [2021-11-07 01:44:30,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 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 01:44:30,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2021-11-07 01:44:30,259 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 29 transitions. Word has length 11 [2021-11-07 01:44:30,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:30,259 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-11-07 01:44:30,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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 01:44:30,260 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2021-11-07 01:44:30,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 01:44:30,261 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:30,261 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:30,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:30,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:44:30,478 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:30,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:30,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1798804362, now seen corresponding path program 1 times [2021-11-07 01:44:30,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:44:30,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1788953034] [2021-11-07 01:44:30,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:30,481 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:44:30,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:44:30,482 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:44:30,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:44:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:30,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:44:30,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:31,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:31,287 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:31,288 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:44:31,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1788953034] [2021-11-07 01:44:31,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1788953034] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:31,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1174991539] [2021-11-07 01:44:31,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:31,289 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:44:31,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:44:31,293 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:44:31,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-07 01:44:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:31,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:44:31,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:31,763 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:31,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:31,882 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:44:31,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1174991539] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:31,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372440699] [2021-11-07 01:44:31,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:31,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:31,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:31,889 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:44:31,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 01:44:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:32,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:44:32,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:32,433 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:44:32,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:34,277 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:44:34,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372440699] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:44:34,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-07 01:44:34,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5, 5, 5] total 14 [2021-11-07 01:44:34,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724800070] [2021-11-07 01:44:34,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:44:34,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:44:34,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:44:34,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:44:34,281 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 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 01:44:40,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:40,910 INFO L93 Difference]: Finished difference Result 40 states and 50 transitions. [2021-11-07 01:44:40,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:44:40,915 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 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 21 [2021-11-07 01:44:40,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:40,916 INFO L225 Difference]: With dead ends: 40 [2021-11-07 01:44:40,916 INFO L226 Difference]: Without dead ends: 38 [2021-11-07 01:44:40,917 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:44:40,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-11-07 01:44:40,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 33. [2021-11-07 01:44:40,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 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 01:44:40,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2021-11-07 01:44:40,928 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 41 transitions. Word has length 21 [2021-11-07 01:44:40,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:40,929 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-11-07 01:44:40,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 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 01:44:40,929 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2021-11-07 01:44:40,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:44:40,931 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:40,931 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:40,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:41,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:41,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-07 01:44:41,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:41,535 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:41,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:41,535 INFO L85 PathProgramCache]: Analyzing trace with hash 698214744, now seen corresponding path program 1 times [2021-11-07 01:44:41,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:44:41,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2019286695] [2021-11-07 01:44:41,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:41,536 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:44:41,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:44:41,537 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:44:41,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:44:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:41,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:44:41,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:44:42,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:44:42,395 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:44:42,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2019286695] [2021-11-07 01:44:42,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2019286695] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:42,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1910933032] [2021-11-07 01:44:42,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:42,398 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:44:42,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:44:42,399 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:44:42,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-07 01:44:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:42,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:44:42,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:44:42,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:43,092 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:44:43,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1910933032] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:43,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277014646] [2021-11-07 01:44:43,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:43,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:43,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:43,098 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:44:43,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 01:44:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:43,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:44:43,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:43,505 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:44:43,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:44:43,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277014646] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:43,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:44:43,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2021-11-07 01:44:43,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486233765] [2021-11-07 01:44:43,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:44:43,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:44:43,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:44:43,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:44:43,653 INFO L87 Difference]: Start difference. First operand 33 states and 41 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 9 states have internal predecessors, (38), 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 01:44:44,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:44:44,330 INFO L93 Difference]: Finished difference Result 148 states and 183 transitions. [2021-11-07 01:44:44,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:44:44,332 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 9 states have internal predecessors, (38), 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 01:44:44,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:44:44,334 INFO L225 Difference]: With dead ends: 148 [2021-11-07 01:44:44,334 INFO L226 Difference]: Without dead ends: 130 [2021-11-07 01:44:44,340 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:44:44,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-11-07 01:44:44,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 53. [2021-11-07 01:44:44,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 52 states have internal predecessors, (69), 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 01:44:44,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2021-11-07 01:44:44,364 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 26 [2021-11-07 01:44:44,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:44:44,364 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2021-11-07 01:44:44,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 9 states have internal predecessors, (38), 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 01:44:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2021-11-07 01:44:44,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-07 01:44:44,368 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:44:44,368 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:44:44,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:44,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:44,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:44:44,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:44:44,973 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:44:44,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:44:44,974 INFO L85 PathProgramCache]: Analyzing trace with hash -116837352, now seen corresponding path program 2 times [2021-11-07 01:44:44,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:44:44,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1484902528] [2021-11-07 01:44:44,975 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 01:44:44,975 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:44:44,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:44:44,977 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:44:44,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:44:45,726 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 01:44:45,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:44:45,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:44:45,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:46,294 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:44:46,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:47,014 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:44:47,014 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:44:47,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1484902528] [2021-11-07 01:44:47,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1484902528] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:47,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1453840228] [2021-11-07 01:44:47,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 01:44:47,015 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:44:47,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:44:47,020 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:44:47,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-07 01:44:47,619 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 01:44:47,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:44:47,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:44:47,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:44:47,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:48,220 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:44:48,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1453840228] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:48,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381374953] [2021-11-07 01:44:48,221 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 01:44:48,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:44:48,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:48,224 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:44:48,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-07 01:44:48,736 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 01:44:48,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:44:48,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 01:44:48,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-07 01:44:49,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-07 01:44:56,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381374953] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:56,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:44:56,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 7, 7] total 28 [2021-11-07 01:44:56,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004393535] [2021-11-07 01:44:56,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-07 01:44:56,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:44:56,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-07 01:44:56,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=653, Unknown=0, NotChecked=0, Total=812 [2021-11-07 01:44:56,601 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand has 29 states, 29 states have (on average 4.0344827586206895) internal successors, (117), 28 states have internal predecessors, (117), 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 01:47:19,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:19,119 INFO L93 Difference]: Finished difference Result 533 states and 696 transitions. [2021-11-07 01:47:19,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-11-07 01:47:19,120 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.0344827586206895) internal successors, (117), 28 states have internal predecessors, (117), 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 46 [2021-11-07 01:47:19,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:19,125 INFO L225 Difference]: With dead ends: 533 [2021-11-07 01:47:19,125 INFO L226 Difference]: Without dead ends: 515 [2021-11-07 01:47:19,136 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8473 ImplicationChecksByTransitivity, 101.9s TimeCoverageRelationStatistics Valid=5489, Invalid=17767, Unknown=0, NotChecked=0, Total=23256 [2021-11-07 01:47:19,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-11-07 01:47:19,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 113. [2021-11-07 01:47:19,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 112 states have (on average 1.3303571428571428) internal successors, (149), 112 states have internal predecessors, (149), 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 01:47:19,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 149 transitions. [2021-11-07 01:47:19,159 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 149 transitions. Word has length 46 [2021-11-07 01:47:19,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:19,160 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 149 transitions. [2021-11-07 01:47:19,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.0344827586206895) internal successors, (117), 28 states have internal predecessors, (117), 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 01:47:19,161 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 149 transitions. [2021-11-07 01:47:19,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-07 01:47:19,165 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:19,165 INFO L513 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:19,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:19,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:19,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:19,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:19,789 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:19,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:19,789 INFO L85 PathProgramCache]: Analyzing trace with hash 844595608, now seen corresponding path program 3 times [2021-11-07 01:47:19,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:47:19,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [519460051] [2021-11-07 01:47:19,790 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:47:19,791 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:47:19,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:47:19,792 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:47:19,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 01:47:20,517 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-11-07 01:47:20,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:47:20,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 01:47:20,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:22,134 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2021-11-07 01:47:22,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:32,660 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2021-11-07 01:47:32,660 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:47:32,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [519460051] [2021-11-07 01:47:32,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [519460051] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:32,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [210594420] [2021-11-07 01:47:32,661 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:47:32,661 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:47:32,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:47:32,668 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:47:32,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-11-07 01:47:46,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-11-07 01:47:46,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:47:46,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 01:47:46,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:47,451 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2021-11-07 01:47:47,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2021-11-07 01:47:57,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [210594420] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:57,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156389954] [2021-11-07 01:47:57,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:47:57,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:57,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:57,385 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:57,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 01:47:58,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-11-07 01:47:58,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:47:58,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 01:47:58,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2021-11-07 01:47:59,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:07,047 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2021-11-07 01:48:07,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156389954] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:48:07,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:48:07,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 10, 10, 12, 13] total 30 [2021-11-07 01:48:07,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978355068] [2021-11-07 01:48:07,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-07 01:48:07,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:48:07,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-07 01:48:07,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=692, Unknown=0, NotChecked=0, Total=930 [2021-11-07 01:48:07,051 INFO L87 Difference]: Start difference. First operand 113 states and 149 transitions. Second operand has 31 states, 31 states have (on average 3.935483870967742) internal successors, (122), 30 states have internal predecessors, (122), 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 01:49:19,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:19,182 INFO L93 Difference]: Finished difference Result 172 states and 224 transitions. [2021-11-07 01:49:19,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 01:49:19,183 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.935483870967742) internal successors, (122), 30 states have internal predecessors, (122), 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 106 [2021-11-07 01:49:19,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:19,185 INFO L225 Difference]: With dead ends: 172 [2021-11-07 01:49:19,185 INFO L226 Difference]: Without dead ends: 170 [2021-11-07 01:49:19,187 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 605 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 663 ImplicationChecksByTransitivity, 34.5s TimeCoverageRelationStatistics Valid=809, Invalid=1947, Unknown=0, NotChecked=0, Total=2756 [2021-11-07 01:49:19,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-11-07 01:49:19,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 152. [2021-11-07 01:49:19,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.304635761589404) internal successors, (197), 151 states have internal predecessors, (197), 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 01:49:19,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 197 transitions. [2021-11-07 01:49:19,214 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 197 transitions. Word has length 106 [2021-11-07 01:49:19,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:19,215 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 197 transitions. [2021-11-07 01:49:19,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.935483870967742) internal successors, (122), 30 states have internal predecessors, (122), 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 01:49:19,215 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 197 transitions. [2021-11-07 01:49:19,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-07 01:49:19,220 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:19,220 INFO L513 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 8, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:19,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:19,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-11-07 01:49:19,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:19,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:19,827 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:49:19,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:19,828 INFO L85 PathProgramCache]: Analyzing trace with hash 412816982, now seen corresponding path program 1 times [2021-11-07 01:49:19,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:19,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675310278] [2021-11-07 01:49:19,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:19,829 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:19,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:19,830 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:19,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 01:49:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:22,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 01:49:22,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:23,017 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 469 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-07 01:49:23,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 469 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-07 01:49:24,618 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:24,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [675310278] [2021-11-07 01:49:24,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [675310278] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:49:24,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [117018621] [2021-11-07 01:49:24,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:24,618 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:49:24,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:49:24,619 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:49:24,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-11-07 01:49:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:25,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:49:25,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2021-11-07 01:49:29,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2021-11-07 01:49:31,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [117018621] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:49:31,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069456434] [2021-11-07 01:49:31,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:31,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:49:31,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:49:31,608 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:49:31,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-07 01:49:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:32,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:49:32,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2021-11-07 01:49:33,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:34,302 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2021-11-07 01:49:34,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069456434] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:49:34,302 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:49:34,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 5, 5, 5, 5] total 39 [2021-11-07 01:49:34,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830428778] [2021-11-07 01:49:34,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-11-07 01:49:34,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:34,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-11-07 01:49:34,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=1148, Unknown=0, NotChecked=0, Total=1482 [2021-11-07 01:49:34,306 INFO L87 Difference]: Start difference. First operand 152 states and 197 transitions. Second operand has 39 states, 39 states have (on average 4.769230769230769) internal successors, (186), 39 states have internal predecessors, (186), 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 01:54:30,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:54:30,475 INFO L93 Difference]: Finished difference Result 2565 states and 3049 transitions. [2021-11-07 01:54:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-11-07 01:54:30,479 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 4.769230769230769) internal successors, (186), 39 states have internal predecessors, (186), 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 116 [2021-11-07 01:54:30,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:54:30,495 INFO L225 Difference]: With dead ends: 2565 [2021-11-07 01:54:30,496 INFO L226 Difference]: Without dead ends: 2488 [2021-11-07 01:54:30,507 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 888 GetRequests, 730 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7580 ImplicationChecksByTransitivity, 276.3s TimeCoverageRelationStatistics Valid=5052, Invalid=20388, Unknown=0, NotChecked=0, Total=25440 [2021-11-07 01:54:30,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2488 states. [2021-11-07 01:54:30,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2488 to 225. [2021-11-07 01:54:30,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 224 states have (on average 1.3348214285714286) internal successors, (299), 224 states have internal predecessors, (299), 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 01:54:30,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 299 transitions. [2021-11-07 01:54:30,553 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 299 transitions. Word has length 116 [2021-11-07 01:54:30,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:54:30,554 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 299 transitions. [2021-11-07 01:54:30,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.769230769230769) internal successors, (186), 39 states have internal predecessors, (186), 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 01:54:30,554 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 299 transitions. [2021-11-07 01:54:30,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-07 01:54:30,559 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:54:30,559 INFO L513 BasicCegarLoop]: trace histogram [30, 30, 30, 30, 30, 13, 13, 13, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:54:30,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-11-07 01:54:30,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:54:31,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-07 01:54:31,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:54:31,164 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:54:31,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:54:31,165 INFO L85 PathProgramCache]: Analyzing trace with hash -682145672, now seen corresponding path program 4 times [2021-11-07 01:54:31,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:54:31,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49608664] [2021-11-07 01:54:31,166 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:54:31,167 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:54:31,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:54:31,168 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:54:31,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-07 01:54:36,543 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:54:36,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:54:36,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-07 01:54:36,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:54:39,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2583 backedges. 0 proven. 2205 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-07 01:54:39,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:54:44,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2583 backedges. 0 proven. 2205 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-07 01:54:44,306 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:54:44,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49608664] [2021-11-07 01:54:44,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49608664] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:54:44,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [622993106] [2021-11-07 01:54:44,307 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:54:44,307 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:54:44,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:54:44,308 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:54:44,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2021-11-07 01:54:46,054 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:54:46,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:54:46,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-07 01:54:46,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:54:47,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2583 backedges. 0 proven. 2205 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-07 01:54:47,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:54:48,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2583 backedges. 0 proven. 2205 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-07 01:54:48,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [622993106] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:54:48,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86927695] [2021-11-07 01:54:48,488 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:54:48,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:54:48,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:54:48,489 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:54:48,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c3a5df-7c1f-4342-bc9f-9f5a59d316ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-07 01:54:50,939 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:54:50,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:54:51,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-07 01:54:51,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:54:56,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2583 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 2205 trivial. 0 not checked. [2021-11-07 01:54:56,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:55:55,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2583 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 2205 trivial. 0 not checked. [2021-11-07 01:55:55,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86927695] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:55:55,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:55:55,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33, 33, 19, 20] total 101 [2021-11-07 01:55:55,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053221308] [2021-11-07 01:55:55,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2021-11-07 01:55:55,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:55:55,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2021-11-07 01:55:55,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1586, Invalid=8716, Unknown=0, NotChecked=0, Total=10302 [2021-11-07 01:55:55,461 INFO L87 Difference]: Start difference. First operand 225 states and 299 transitions. Second operand has 102 states, 102 states have (on average 4.578431372549019) internal successors, (467), 101 states have internal predecessors, (467), 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 01:57:29,159 WARN L207 SmtUtils]: Spent 26.40 s on a formula simplification that was a NOOP. DAG size: 75