/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:28:36,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:28:36,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:28:36,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 04:28:36,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 04:28:36,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 04:28:36,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 04:28:36,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 04:28:36,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 04:28:36,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 04:28:36,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 04:28:36,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 04:28:36,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:28:36,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:28:36,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:28:36,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:28:36,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:28:36,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:28:36,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:28:36,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:28:36,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:28:36,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:28:36,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:28:36,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:28:36,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 04:28:36,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 04:28:36,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 04:28:36,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 04:28:36,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 04:28:36,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 04:28:36,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 04:28:36,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 04:28:36,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 04:28:36,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 04:28:36,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 04:28:36,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 04:28:36,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 04:28:36,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 04:28:36,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:28:36,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:28:36,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:28:36,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:28:36,519 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:28:36,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:28:36,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:28:36,523 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:28:36,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:28:36,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:28:36,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:28:36,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:28:36,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:28:36,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:28:36,525 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:28:36,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:28:36,525 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:28:36,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:28:36,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:28:36,526 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:28:36,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:28:36,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:28:36,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:28:36,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:28:36,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:28:36,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:28:36,527 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:28:36,528 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:28:36,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:28:36,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:28:36,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:28:36,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:28:36,920 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:28:36,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2021-02-24 04:28:37,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0221fea74/5c9acdf74580466db8576f00d714619b/FLAG5a28ed88f [2021-02-24 04:28:37,752 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:28:37,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2021-02-24 04:28:37,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0221fea74/5c9acdf74580466db8576f00d714619b/FLAG5a28ed88f [2021-02-24 04:28:37,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0221fea74/5c9acdf74580466db8576f00d714619b [2021-02-24 04:28:37,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:28:37,820 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:28:37,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:28:37,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:28:37,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:28:37,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:28:37" (1/1) ... [2021-02-24 04:28:37,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7950fc0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:37, skipping insertion in model container [2021-02-24 04:28:37,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:28:37" (1/1) ... [2021-02-24 04:28:37,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:28:37,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:28:38,247 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label53.c[19724,19737] [2021-02-24 04:28:38,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:28:38,283 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:28:38,392 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label53.c[19724,19737] [2021-02-24 04:28:38,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:28:38,462 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:28:38,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:38 WrapperNode [2021-02-24 04:28:38,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:28:38,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:28:38,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:28:38,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:28:38,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:38" (1/1) ... [2021-02-24 04:28:38,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:38" (1/1) ... [2021-02-24 04:28:38,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:38" (1/1) ... [2021-02-24 04:28:38,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:38" (1/1) ... [2021-02-24 04:28:38,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:38" (1/1) ... [2021-02-24 04:28:38,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:38" (1/1) ... [2021-02-24 04:28:38,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:38" (1/1) ... [2021-02-24 04:28:38,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:28:38,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:28:38,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:28:38,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:28:38,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:28:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:28:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:28:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:28:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-24 04:28:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:28:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-24 04:28:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:28:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:28:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:28:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:28:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:28:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:28:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:28:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:28:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:28:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:28:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:28:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:28:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:28:40,500 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:28:40,500 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 04:28:40,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:28:40 BoogieIcfgContainer [2021-02-24 04:28:40,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:28:40,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:28:40,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:28:40,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:28:40,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:28:37" (1/3) ... [2021-02-24 04:28:40,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69fb5d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:28:40, skipping insertion in model container [2021-02-24 04:28:40,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:28:38" (2/3) ... [2021-02-24 04:28:40,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69fb5d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:28:40, skipping insertion in model container [2021-02-24 04:28:40,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:28:40" (3/3) ... [2021-02-24 04:28:40,512 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label53.c [2021-02-24 04:28:40,518 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:28:40,524 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:28:40,543 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:28:40,568 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:28:40,568 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:28:40,568 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:28:40,568 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:28:40,568 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:28:40,569 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:28:40,569 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:28:40,569 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:28:40,595 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states. [2021-02-24 04:28:40,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-02-24 04:28:40,623 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:28:40,625 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:28:40,625 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:28:40,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:28:40,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1703153254, now seen corresponding path program 1 times [2021-02-24 04:28:40,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:28:40,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [766621327] [2021-02-24 04:28:40,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:28:40,717 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:28:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:28:41,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:41,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:28:41,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:41,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:28:41,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:41,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:28:41,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:41,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:28:41,330 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-02-24 04:28:41,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:28:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:28:41,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:41,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:28:41,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:41,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:28:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:28:41,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [766621327] [2021-02-24 04:28:41,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:28:41,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 04:28:41,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832480065] [2021-02-24 04:28:41,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 04:28:41,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:28:41,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 04:28:41,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 04:28:41,477 INFO L87 Difference]: Start difference. First operand 534 states. Second operand 4 states. [2021-02-24 04:28:41,738 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-24 04:28:44,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:28:44,053 INFO L93 Difference]: Finished difference Result 1244 states and 1642 transitions. [2021-02-24 04:28:44,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-24 04:28:44,055 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2021-02-24 04:28:44,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:28:44,076 INFO L225 Difference]: With dead ends: 1244 [2021-02-24 04:28:44,076 INFO L226 Difference]: Without dead ends: 669 [2021-02-24 04:28:44,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 04:28:44,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2021-02-24 04:28:44,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 613. [2021-02-24 04:28:44,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2021-02-24 04:28:44,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 723 transitions. [2021-02-24 04:28:44,282 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 723 transitions. Word has length 150 [2021-02-24 04:28:44,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:28:44,283 INFO L480 AbstractCegarLoop]: Abstraction has 613 states and 723 transitions. [2021-02-24 04:28:44,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 04:28:44,284 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 723 transitions. [2021-02-24 04:28:44,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-02-24 04:28:44,289 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:28:44,290 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:28:44,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:28:44,291 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:28:44,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:28:44,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1652876108, now seen corresponding path program 1 times [2021-02-24 04:28:44,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:28:44,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427280344] [2021-02-24 04:28:44,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:28:44,354 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:44,377 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:44,385 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:44,391 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:44,427 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:44,438 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:44,444 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-24 04:28:44,449 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:44,453 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:44,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:44,462 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-24 04:28:44,465 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:44,470 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:44,473 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:44,478 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:44,510 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:44,513 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:44,517 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-24 04:28:44,518 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:44,520 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:44,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:44,526 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-24 04:28:44,528 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:44,533 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:44,535 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:44,540 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:44,571 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:44,573 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:44,577 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-24 04:28:44,579 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:44,580 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:44,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:44,585 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-24 04:28:44,587 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:44,592 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:44,594 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:44,599 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:44,632 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:44,634 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:44,638 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-24 04:28:44,639 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:44,641 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:44,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:44,647 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-24 04:28:44,648 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:28:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:28:44,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:28:44,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:28:44,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:44,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:44,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:44,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:44,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:44,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:28:44,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:28:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:28:44,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:28:44,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:44,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:28:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:28:45,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-24 04:28:45,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:45,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:28:45,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-24 04:28:45,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:45,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:28:45,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-24 04:28:45,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:45,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:28:45,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-02-24 04:28:45,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:45,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:28:45,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-02-24 04:28:45,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:45,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:28:45,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:28:45,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:45,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:28:45,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-02-24 04:28:45,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:45,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:28:45,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-02-24 04:28:45,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:45,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:28:45,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-02-24 04:28:45,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:45,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-02-24 04:28:45,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-02-24 04:28:45,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:45,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:28:45,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-02-24 04:28:45,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:45,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:28:45,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-02-24 04:28:45,568 WARN L141 QuantifierPusher]: treesize reduction 41, result has 66.7 percent of original size [2021-02-24 04:28:45,570 WARN L147 QuantifierPusher]: treesize reduction 41, result has 66.7 percent of original size 82 [2021-02-24 04:28:45,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 04:28:45,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:28:45,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 04:28:45,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 04:28:45,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-24 04:28:45,824 WARN L141 QuantifierPusher]: treesize reduction 8, result has 78.4 percent of original size [2021-02-24 04:28:45,825 WARN L147 QuantifierPusher]: treesize reduction 8, result has 78.4 percent of original size 29 [2021-02-24 04:28:45,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 04:28:45,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:45,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:28:45,933 WARN L141 QuantifierPusher]: treesize reduction 30, result has 3.2 percent of original size [2021-02-24 04:28:45,934 WARN L147 QuantifierPusher]: treesize reduction 30, result has 3.2 percent of original size 1 [2021-02-24 04:28:45,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427280344] [2021-02-24 04:28:45,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:28:45,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-02-24 04:28:45,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678535226] [2021-02-24 04:28:45,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-24 04:28:45,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:28:45,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-24 04:28:45,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-02-24 04:28:45,937 INFO L87 Difference]: Start difference. First operand 613 states and 723 transitions. Second operand 19 states. [2021-02-24 04:28:46,345 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2021-02-24 04:28:46,578 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 99 [2021-02-24 04:28:46,810 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2021-02-24 04:28:47,061 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 103 [2021-02-24 04:28:47,289 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 103 [2021-02-24 04:28:47,522 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 105 [2021-02-24 04:28:47,675 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-02-24 04:28:48,634 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-02-24 04:28:48,913 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-02-24 04:28:53,578 WARN L202 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 109 [2021-02-24 04:28:55,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:28:55,389 INFO L93 Difference]: Finished difference Result 1740 states and 2112 transitions. [2021-02-24 04:28:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-24 04:28:55,391 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 167 [2021-02-24 04:28:55,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:28:55,401 INFO L225 Difference]: With dead ends: 1740 [2021-02-24 04:28:55,401 INFO L226 Difference]: Without dead ends: 1159 [2021-02-24 04:28:55,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=254, Invalid=1078, Unknown=0, NotChecked=0, Total=1332 [2021-02-24 04:28:55,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2021-02-24 04:28:55,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1038. [2021-02-24 04:28:55,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1038 states. [2021-02-24 04:28:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1265 transitions. [2021-02-24 04:28:55,657 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1265 transitions. Word has length 167 [2021-02-24 04:28:55,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:28:55,658 INFO L480 AbstractCegarLoop]: Abstraction has 1038 states and 1265 transitions. [2021-02-24 04:28:55,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-24 04:28:55,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1265 transitions. [2021-02-24 04:28:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-02-24 04:28:55,666 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:28:55,666 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:28:55,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 04:28:55,667 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:28:55,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:28:55,668 INFO L82 PathProgramCache]: Analyzing trace with hash 855597246, now seen corresponding path program 1 times [2021-02-24 04:28:55,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:28:55,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1047016332] [2021-02-24 04:28:55,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:28:55,701 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:55,712 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:55,715 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:55,719 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:55,760 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:55,765 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:55,770 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-24 04:28:55,771 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:55,773 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:55,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:55,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:55,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:55,777 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-24 04:28:55,779 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:55,783 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:55,785 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:55,790 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:55,831 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:55,833 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:55,837 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-24 04:28:55,838 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:55,842 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:55,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:55,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:55,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:55,847 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-24 04:28:55,849 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:55,854 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:55,856 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:55,860 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:55,893 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:55,895 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:55,898 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-24 04:28:55,899 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:55,900 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:55,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:55,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:55,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:55,905 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-24 04:28:55,906 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:55,911 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:55,914 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:55,920 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:55,961 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:55,963 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:55,967 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-24 04:28:55,969 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:55,970 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:55,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:55,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:55,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:55,975 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-24 04:28:55,980 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:55,984 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:55,986 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:55,990 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:56,020 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:56,022 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:56,024 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-24 04:28:56,025 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:56,027 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:56,031 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-24 04:28:56,032 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:56,037 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:56,038 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:56,043 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:56,079 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:56,081 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:56,085 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-24 04:28:56,086 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:56,087 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:56,094 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-24 04:28:56,095 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:56,099 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:56,101 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:56,105 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:56,135 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:56,137 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:56,139 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-24 04:28:56,140 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:56,141 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:56,145 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-24 04:28:56,147 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:56,151 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:56,153 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:56,157 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:56,188 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:56,190 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:56,192 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-24 04:28:56,193 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:56,194 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:56,198 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-24 04:28:56,200 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:56,204 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:56,206 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:56,209 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:56,239 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:56,241 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:56,243 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-24 04:28:56,244 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:56,245 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:56,249 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-24 04:28:56,251 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:56,254 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:56,256 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-24 04:28:56,260 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-24 04:28:56,291 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:28:56,293 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:28:56,295 WARN L141 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size [2021-02-24 04:28:56,296 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:28:56,297 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:28:56,303 WARN L147 QuantifierPusher]: treesize reduction 6, result has 93.3 percent of original size 84 [2021-02-24 04:28:56,303 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:28:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:28:56,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:28:56,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:28:56,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:56,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:56,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:56,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:56,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:56,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:56,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:56,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:56,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:56,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:56,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:28:56,506 WARN L141 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-02-24 04:28:56,507 WARN L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-02-24 04:28:56,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:28:56,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:28:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:28:56,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:28:56,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:28:56,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:28:56,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:28:56,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:56,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 04:28:56,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:56,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 04:28:56,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:56,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 04:28:56,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:56,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 04:28:56,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:56,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 04:28:56,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:56,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 04:28:56,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:56,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-02-24 04:28:56,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:56,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-02-24 04:28:56,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-02-24 04:28:56,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:56,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-02-24 04:28:56,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-02-24 04:28:56,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:56,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:56,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:56,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-02-24 04:28:56,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-02-24 04:28:57,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:57,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:57,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-02-24 04:28:57,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 04:28:57,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:57,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-02-24 04:28:57,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-02-24 04:28:57,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:57,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-02-24 04:28:57,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-02-24 04:28:57,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:57,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-02-24 04:28:57,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-02-24 04:28:57,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:57,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-02-24 04:28:57,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-02-24 04:28:57,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:57,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-02-24 04:28:57,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-02-24 04:28:57,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:57,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-02-24 04:28:57,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-02-24 04:28:57,510 WARN L141 QuantifierPusher]: treesize reduction 89, result has 51.9 percent of original size [2021-02-24 04:28:57,513 WARN L147 QuantifierPusher]: treesize reduction 89, result has 51.9 percent of original size 96 [2021-02-24 04:28:57,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-02-24 04:28:57,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-02-24 04:28:57,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 04:28:57,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:28:57,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:28:57,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:28:57,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:28:57,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:28:57,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:57,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:28:58,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:58,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:28:58,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:58,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-24 04:28:58,086 WARN L141 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-02-24 04:28:58,087 WARN L147 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size 28 [2021-02-24 04:28:58,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:58,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:28:58,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:28:58,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 04:28:58,225 WARN L141 QuantifierPusher]: treesize reduction 46, result has 2.1 percent of original size [2021-02-24 04:28:58,226 WARN L147 QuantifierPusher]: treesize reduction 46, result has 2.1 percent of original size 1 [2021-02-24 04:28:58,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1047016332] [2021-02-24 04:28:58,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:28:58,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-24 04:28:58,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067668994] [2021-02-24 04:28:58,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-24 04:28:58,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:28:58,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-24 04:28:58,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2021-02-24 04:28:58,229 INFO L87 Difference]: Start difference. First operand 1038 states and 1265 transitions. Second operand 26 states. [2021-02-24 04:28:58,709 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 97 [2021-02-24 04:28:58,958 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 99 [2021-02-24 04:28:59,207 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-02-24 04:28:59,468 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 103 [2021-02-24 04:28:59,741 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 103 [2021-02-24 04:29:00,020 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 105 [2021-02-24 04:29:00,348 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 124 [2021-02-24 04:29:00,541 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-02-24 04:29:02,231 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-02-24 04:29:02,447 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-02-24 04:29:02,676 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-02-24 04:29:02,881 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2021-02-24 04:29:11,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:29:11,266 INFO L93 Difference]: Finished difference Result 3070 states and 3912 transitions. [2021-02-24 04:29:11,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-24 04:29:11,267 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 172 [2021-02-24 04:29:11,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:29:11,286 INFO L225 Difference]: With dead ends: 3070 [2021-02-24 04:29:11,286 INFO L226 Difference]: Without dead ends: 2064 [2021-02-24 04:29:11,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=444, Invalid=1908, Unknown=0, NotChecked=0, Total=2352 [2021-02-24 04:29:11,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2021-02-24 04:29:11,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 1835. [2021-02-24 04:29:11,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2021-02-24 04:29:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2303 transitions. [2021-02-24 04:29:11,735 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2303 transitions. Word has length 172 [2021-02-24 04:29:11,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:29:11,736 INFO L480 AbstractCegarLoop]: Abstraction has 1835 states and 2303 transitions. [2021-02-24 04:29:11,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-24 04:29:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2303 transitions. [2021-02-24 04:29:11,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-02-24 04:29:11,746 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:29:11,746 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:29:11,747 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-02-24 04:29:11,747 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:29:11,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:29:11,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1047126332, now seen corresponding path program 1 times [2021-02-24 04:29:11,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:29:11,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114980888] [2021-02-24 04:29:11,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:29:11,772 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,773 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,774 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,775 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,777 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:11,778 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:11,780 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:11,780 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:11,781 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,782 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,783 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,783 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,786 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:11,787 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:11,789 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:11,790 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:11,791 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,791 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,792 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,793 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,795 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:11,797 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:11,798 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:11,799 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:11,800 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,800 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,802 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,802 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,804 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:11,805 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:11,806 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:11,806 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:11,808 WARN L141 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size [2021-02-24 04:29:11,816 WARN L147 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size 60 [2021-02-24 04:29:11,818 WARN L141 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size [2021-02-24 04:29:11,821 WARN L147 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size 60 [2021-02-24 04:29:11,853 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:29:11,855 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:29:11,858 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:29:11,859 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:29:11,860 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:29:11,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:29:11,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:29:11,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:29:11,863 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:29:11,864 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,865 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,866 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,867 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,868 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:11,869 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:11,871 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:11,871 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:11,872 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,872 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,874 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,874 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,876 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:11,877 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:11,878 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:11,878 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:11,879 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,880 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,881 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,881 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,883 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:11,885 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:11,887 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:11,888 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:11,889 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,889 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,890 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,891 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,893 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:11,894 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:11,895 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:11,895 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:11,896 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,897 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,898 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,898 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,900 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:11,901 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:11,903 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:11,904 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:11,905 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,905 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,906 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,907 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,909 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:11,909 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:11,911 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:11,911 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:11,912 WARN L141 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size [2021-02-24 04:29:11,917 WARN L147 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size 60 [2021-02-24 04:29:11,919 WARN L141 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size [2021-02-24 04:29:11,922 WARN L147 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size 60 [2021-02-24 04:29:11,952 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-24 04:29:11,954 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-24 04:29:11,957 WARN L141 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size [2021-02-24 04:29:11,958 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:29:11,959 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:29:11,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:29:11,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:29:11,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 04:29:11,963 WARN L147 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-02-24 04:29:11,964 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,965 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,969 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,969 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,971 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:11,972 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:11,973 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:11,973 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:11,974 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,975 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,976 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,976 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,978 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:11,979 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:11,980 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:11,980 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:11,981 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,982 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,983 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,983 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,985 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:11,985 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:11,986 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:11,987 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:11,988 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,989 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,990 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:11,990 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:11,992 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:11,993 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:11,994 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:11,995 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:11,998 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:12,000 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:12,002 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:12,002 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:12,004 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:12,005 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:12,006 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:12,007 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:12,008 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:12,008 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:12,011 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:12,014 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:12,016 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:12,017 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:12,019 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:12,019 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:12,020 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:12,020 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:12,022 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:12,022 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:12,024 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:12,025 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:12,026 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:12,026 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:12,027 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:12,028 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:12,029 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:12,030 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:12,031 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:12,032 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:12,033 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:12,034 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:12,035 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:12,035 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:12,036 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:12,037 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:12,038 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:12,040 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:12,041 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:12,041 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:12,042 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:12,043 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:12,044 WARN L141 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size [2021-02-24 04:29:12,044 WARN L147 QuantifierPusher]: treesize reduction 70, result has 1.4 percent of original size 1 [2021-02-24 04:29:12,046 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 04:29:12,047 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 04:29:12,049 WARN L141 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size [2021-02-24 04:29:12,049 WARN L147 QuantifierPusher]: treesize reduction 42, result has 6.7 percent of original size 3 [2021-02-24 04:29:12,049 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:29:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:29:12,089 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:29:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:29:12,125 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:29:12,220 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-24 04:29:12,220 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 04:29:12,221 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-02-24 04:29:12,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 04:29:12 BoogieIcfgContainer [2021-02-24 04:29:12,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 04:29:12,251 INFO L168 Benchmark]: Toolchain (without parser) took 34443.90 ms. Allocated memory was 154.1 MB in the beginning and 475.0 MB in the end (delta: 320.9 MB). Free memory was 127.4 MB in the beginning and 194.2 MB in the end (delta: -66.9 MB). Peak memory consumption was 254.6 MB. Max. memory is 8.0 GB. [2021-02-24 04:29:12,251 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 154.1 MB. Free memory is still 126.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:29:12,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.14 ms. Allocated memory is still 154.1 MB. Free memory was 126.2 MB in the beginning and 133.9 MB in the end (delta: -7.7 MB). Peak memory consumption was 32.3 MB. Max. memory is 8.0 GB. [2021-02-24 04:29:12,252 INFO L168 Benchmark]: Boogie Preprocessor took 154.40 ms. Allocated memory is still 154.1 MB. Free memory was 133.9 MB in the beginning and 128.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-02-24 04:29:12,252 INFO L168 Benchmark]: RCFGBuilder took 1883.80 ms. Allocated memory was 154.1 MB in the beginning and 188.7 MB in the end (delta: 34.6 MB). Free memory was 128.6 MB in the beginning and 120.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 83.2 MB. Max. memory is 8.0 GB. [2021-02-24 04:29:12,252 INFO L168 Benchmark]: TraceAbstraction took 31745.89 ms. Allocated memory was 188.7 MB in the beginning and 475.0 MB in the end (delta: 286.3 MB). Free memory was 120.4 MB in the beginning and 194.2 MB in the end (delta: -73.8 MB). Peak memory consumption was 212.5 MB. Max. memory is 8.0 GB. [2021-02-24 04:29:12,253 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 154.1 MB. Free memory is still 126.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 641.14 ms. Allocated memory is still 154.1 MB. Free memory was 126.2 MB in the beginning and 133.9 MB in the end (delta: -7.7 MB). Peak memory consumption was 32.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 154.40 ms. Allocated memory is still 154.1 MB. Free memory was 133.9 MB in the beginning and 128.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1883.80 ms. Allocated memory was 154.1 MB in the beginning and 188.7 MB in the end (delta: 34.6 MB). Free memory was 128.6 MB in the beginning and 120.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 83.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 31745.89 ms. Allocated memory was 188.7 MB in the beginning and 475.0 MB in the end (delta: 286.3 MB). Free memory was 120.4 MB in the beginning and 194.2 MB in the end (delta: -73.8 MB). Peak memory consumption was 212.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 528]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int a= 1; [L18] int d= 4; [L19] int e= 5; [L20] int f= 6; [L21] int c= 3; [L22] int b= 2; [L25] int u = 21; [L26] int v = 22; [L27] int w = 23; [L28] int x = 24; [L29] int y = 25; [L30] int z = 26; [L32] int a17 = 1; [L33] int a7 = 0; [L34] int a20 = 1; [L35] int a8 = 15; [L36] int a12 = 8; [L37] int a16 = 5; [L38] int a21 = 1; [L590] int output = -1; [L593] COND TRUE 1 [L596] int input; [L597] input = __VERIFIER_nondet_int() [L598] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L601] CALL, EXPR calculate_output(input) [L41] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L45] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L53] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L59] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L64] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L72] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L75] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L82] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L90] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L94] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L102] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L107] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L112] COND TRUE (((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1)) [L113] a20 = 0 [L114] a8 = 15 [L115] a17 = 0 [L116] a21 = 1 [L117] return -1; [L601] RET, EXPR calculate_output(input) [L601] output = calculate_output(input) [L593] COND TRUE 1 [L596] int input; [L597] input = __VERIFIER_nondet_int() [L598] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L601] CALL calculate_output(input) [L41] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L45] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L53] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L59] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L64] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L72] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L75] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L82] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L90] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L94] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L102] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L107] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L112] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L118] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L124] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L129] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L134] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L139] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L146] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L150] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L154] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L158] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L162] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L170] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L175] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L183] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L188] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L196] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L199] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L204] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L207] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L213] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L218] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L224] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L228] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L233] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L241] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L248] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) [L255] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) [L260] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) [L266] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) [L271] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) [L275] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) [L278] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) [L283] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) [L288] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) [L296] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) [L302] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) [L309] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) [L316] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) [L322] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) [L326] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) [L328] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) [L334] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) [L339] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) [L343] COND FALSE !(((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15)))) [L347] COND FALSE !((!(a21==1)&&((a20==1)&&(((a12==8)&&((a8==13)&&((((a16==5)&&!(a17==1))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==2))))&&(a7==1))))) [L355] COND FALSE !(((a7==1)&&((a12==8)&&((((a20==1)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||((a16==4)&&!(a17==1))))&&(input==4)))&&(a8==13))&&!(a21==1))))) [L363] COND FALSE !(((a21==1)&&((((!(a7==1)&&((a8==15)&&(!(a20==1)&&(input==4))))&&(a17==1))&&(a16==5))&&(a12==8)))) [L365] COND FALSE !((((!(a7==1)&&((!(a20==1)&&((a21==1)&&((input==3)&&(a17==1))))&&(a8==15)))&&(a12==8))&&(a16==5))) [L371] COND FALSE !(((((!(a17==1)&&(!(a20==1)&&((a8==15)&&((input==1)&&(a16==5)))))&&(a12==8))&&(a21==1))&&!(a7==1))) [L373] COND FALSE !(((((a21==1)&&((a8==15)&&(((a16==5)&&((a12==8)&&(input==1)))&&(a17==1))))&&!(a7==1))&&!(a20==1))) [L375] COND FALSE !(((!(a21==1)&&((a20==1)&&((((a8==13)&&((a7==1)&&(input==5)))&&(a17==1))&&(a12==8))))&&(a16==5))) [L382] COND FALSE !((((!(a7==1)&&((a21==1)&&((((input==6)&&(a20==1))&&(a8==15))&&!(a17==1))))&&(a12==8))&&(a16==4))) [L387] COND FALSE !(((((a20==1)&&(((!(a21==1)&&((a7==1)&&(input==1)))&&(a8==13))&&(a17==1)))&&(a12==8))&&(a16==5))) [L392] COND FALSE !(((a12==8)&&((input==5)&&((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==15))&&(a16==6))&&(a21==1))||(!(a21==1)&&((a16==4)&&(((a20==1)&&((a7==1)&&(a17==1)))&&(a8==13)))))))) [L401] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L404] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L407] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L410] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L413] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L416] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) [L419] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L422] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L425] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L428] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L431] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L434] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L437] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L440] COND FALSE !((((((((a17==1)&&!(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L443] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==6))&&(a21==1))) [L446] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L449] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) [L452] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L455] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L458] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L461] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==6))&&(a21==1))) [L464] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==6))&&(a21==1))) [L467] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L470] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L473] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L476] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L479] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) [L482] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==6))&&(a21==1))) [L485] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L488] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L491] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==5))&&(a21==1))) [L494] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L497] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L500] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==6))&&(a21==1))) [L503] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L506] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==6))&&(a21==1))) [L509] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==5))&&(a21==1))) [L512] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L515] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L518] COND FALSE !((((((((a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==6))&&(a21==1))) [L521] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L524] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L527] COND TRUE (((((((a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1)) [L528] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 537 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 31.6s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 25.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1077 SDtfs, 6076 SDslu, 1455 SDs, 0 SdLazy, 10382 SolverSat, 1154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1835occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 3 MinimizatonAttempts, 406 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...