/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 00:15:25,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 00:15:25,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 00:15:25,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 00:15:25,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 00:15:25,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 00:15:25,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 00:15:25,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 00:15:25,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 00:15:25,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 00:15:25,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 00:15:25,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 00:15:25,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 00:15:25,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 00:15:25,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 00:15:25,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 00:15:25,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 00:15:25,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 00:15:25,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 00:15:25,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 00:15:25,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 00:15:25,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 00:15:25,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 00:15:25,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 00:15:25,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 00:15:25,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 00:15:25,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 00:15:25,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 00:15:25,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 00:15:25,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 00:15:25,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 00:15:25,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 00:15:25,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 00:15:25,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 00:15:25,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 00:15:25,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 00:15:25,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 00:15:25,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 00:15:25,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 00:15:25,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 00:15:25,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 00:15:25,831 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-24 00:15:25,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 00:15:25,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 00:15:25,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 00:15:25,861 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 00:15:25,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 00:15:25,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 00:15:25,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 00:15:25,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 00:15:25,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 00:15:25,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 00:15:25,864 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 00:15:25,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 00:15:25,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 00:15:25,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 00:15:25,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 00:15:25,865 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 00:15:25,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 00:15:25,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 00:15:25,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:15:25,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 00:15:25,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 00:15:25,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 00:15:25,867 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-24 00:15:26,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 00:15:26,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 00:15:26,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 00:15:26,400 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 00:15:26,402 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 00:15:26,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i [2021-02-24 00:15:26,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34d29a7f5/7853ae2c793f4582ac6d06a6309d77e2/FLAG744db926e [2021-02-24 00:15:27,205 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 00:15:27,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i [2021-02-24 00:15:27,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34d29a7f5/7853ae2c793f4582ac6d06a6309d77e2/FLAG744db926e [2021-02-24 00:15:27,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34d29a7f5/7853ae2c793f4582ac6d06a6309d77e2 [2021-02-24 00:15:27,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 00:15:27,601 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 00:15:27,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 00:15:27,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 00:15:27,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 00:15:27,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:15:27" (1/1) ... [2021-02-24 00:15:27,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7df6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:15:27, skipping insertion in model container [2021-02-24 00:15:27,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:15:27" (1/1) ... [2021-02-24 00:15:27,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 00:15:27,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 00:15:27,887 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i[959,972] [2021-02-24 00:15:27,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:15:27,925 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 00:15:27,948 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i[959,972] [2021-02-24 00:15:27,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:15:27,994 INFO L208 MainTranslator]: Completed translation [2021-02-24 00:15:27,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:15:27 WrapperNode [2021-02-24 00:15:27,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 00:15:27,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 00:15:27,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 00:15:27,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 00:15:28,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:15:27" (1/1) ... [2021-02-24 00:15:28,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:15:27" (1/1) ... [2021-02-24 00:15:28,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:15:27" (1/1) ... [2021-02-24 00:15:28,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:15:27" (1/1) ... [2021-02-24 00:15:28,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:15:27" (1/1) ... [2021-02-24 00:15:28,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:15:27" (1/1) ... [2021-02-24 00:15:28,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:15:27" (1/1) ... [2021-02-24 00:15:28,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 00:15:28,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 00:15:28,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 00:15:28,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 00:15:28,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:15:27" (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 00:15:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 00:15:28,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 00:15:28,209 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 00:15:28,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-24 00:15:28,212 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2021-02-24 00:15:28,212 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 00:15:28,213 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 00:15:28,213 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 00:15:28,213 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 00:15:28,214 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-24 00:15:28,214 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-24 00:15:28,215 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 00:15:28,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 00:15:28,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-24 00:15:28,216 INFO L130 BoogieDeclarations]: Found specification of procedure init [2021-02-24 00:15:28,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 00:15:28,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 00:15:28,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 00:15:28,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 00:15:28,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 00:15:28,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 00:15:28,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 00:15:28,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 00:15:28,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 00:15:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 00:15:28,708 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 00:15:28,709 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-02-24 00:15:28,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:15:28 BoogieIcfgContainer [2021-02-24 00:15:28,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 00:15:28,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 00:15:28,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 00:15:28,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 00:15:28,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 12:15:27" (1/3) ... [2021-02-24 00:15:28,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee0718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:15:28, skipping insertion in model container [2021-02-24 00:15:28,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:15:27" (2/3) ... [2021-02-24 00:15:28,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee0718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:15:28, skipping insertion in model container [2021-02-24 00:15:28,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:15:28" (3/3) ... [2021-02-24 00:15:28,726 INFO L111 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_flag_init.i [2021-02-24 00:15:28,735 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 00:15:28,740 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 00:15:28,762 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 00:15:28,787 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 00:15:28,788 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 00:15:28,788 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-24 00:15:28,788 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 00:15:28,788 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 00:15:28,788 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 00:15:28,788 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 00:15:28,789 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 00:15:28,806 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2021-02-24 00:15:28,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-24 00:15:28,817 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:28,818 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] [2021-02-24 00:15:28,819 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:28,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:28,826 INFO L82 PathProgramCache]: Analyzing trace with hash -351077520, now seen corresponding path program 1 times [2021-02-24 00:15:28,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:28,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1814992083] [2021-02-24 00:15:28,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:29,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:29,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:29,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:29,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:15:29,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:29,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:29,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:29,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:29,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:29,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:29,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:29,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:29,293 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 00:15:29,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1814992083] [2021-02-24 00:15:29,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:15:29,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 00:15:29,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180205985] [2021-02-24 00:15:29,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 00:15:29,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:29,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 00:15:29,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-24 00:15:29,330 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 5 states. [2021-02-24 00:15:29,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:29,859 INFO L93 Difference]: Finished difference Result 114 states and 139 transitions. [2021-02-24 00:15:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-24 00:15:29,863 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-02-24 00:15:29,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:29,892 INFO L225 Difference]: With dead ends: 114 [2021-02-24 00:15:29,893 INFO L226 Difference]: Without dead ends: 72 [2021-02-24 00:15:29,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-24 00:15:29,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-02-24 00:15:29,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 54. [2021-02-24 00:15:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-02-24 00:15:29,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2021-02-24 00:15:29,961 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 33 [2021-02-24 00:15:29,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:29,962 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2021-02-24 00:15:29,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 00:15:29,962 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2021-02-24 00:15:29,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-02-24 00:15:29,964 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:29,965 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] [2021-02-24 00:15:29,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 00:15:29,965 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:29,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:29,967 INFO L82 PathProgramCache]: Analyzing trace with hash -878173048, now seen corresponding path program 1 times [2021-02-24 00:15:29,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:29,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916798697] [2021-02-24 00:15:29,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:30,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:30,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:30,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:30,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:15:30,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:30,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:15:30,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:30,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:15:30,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:30,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:30,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:30,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:30,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:30,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:30,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:30,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:30,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:15:30,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916798697] [2021-02-24 00:15:30,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:30,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-24 00:15:30,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081915571] [2021-02-24 00:15:30,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 00:15:30,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:30,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 00:15:30,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-24 00:15:30,194 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 7 states. [2021-02-24 00:15:30,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:30,600 INFO L93 Difference]: Finished difference Result 96 states and 107 transitions. [2021-02-24 00:15:30,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-24 00:15:30,601 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2021-02-24 00:15:30,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:30,603 INFO L225 Difference]: With dead ends: 96 [2021-02-24 00:15:30,604 INFO L226 Difference]: Without dead ends: 81 [2021-02-24 00:15:30,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-02-24 00:15:30,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-02-24 00:15:30,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 63. [2021-02-24 00:15:30,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-02-24 00:15:30,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2021-02-24 00:15:30,622 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 40 [2021-02-24 00:15:30,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:30,623 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions. [2021-02-24 00:15:30,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 00:15:30,624 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2021-02-24 00:15:30,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-24 00:15:30,625 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:30,626 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-24 00:15:30,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 00:15:30,626 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:30,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:30,628 INFO L82 PathProgramCache]: Analyzing trace with hash -692121488, now seen corresponding path program 2 times [2021-02-24 00:15:30,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:30,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1230583126] [2021-02-24 00:15:30,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:30,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:30,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:30,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:30,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:30,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:30,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:30,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:30,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:30,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:30,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:30,860 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:30,861 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:30,878 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:30,880 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:30,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:30,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:30,925 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:30,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1230583126] [2021-02-24 00:15:30,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:15:30,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 00:15:30,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997484346] [2021-02-24 00:15:30,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 00:15:30,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:30,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 00:15:30,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-24 00:15:30,931 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand 7 states. [2021-02-24 00:15:31,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:31,343 INFO L93 Difference]: Finished difference Result 105 states and 115 transitions. [2021-02-24 00:15:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-24 00:15:31,344 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2021-02-24 00:15:31,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:31,350 INFO L225 Difference]: With dead ends: 105 [2021-02-24 00:15:31,350 INFO L226 Difference]: Without dead ends: 68 [2021-02-24 00:15:31,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-02-24 00:15:31,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-02-24 00:15:31,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2021-02-24 00:15:31,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-02-24 00:15:31,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2021-02-24 00:15:31,382 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 47 [2021-02-24 00:15:31,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:31,384 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2021-02-24 00:15:31,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 00:15:31,385 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2021-02-24 00:15:31,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-02-24 00:15:31,391 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:31,391 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-24 00:15:31,392 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 00:15:31,392 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:31,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:31,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1856414860, now seen corresponding path program 1 times [2021-02-24 00:15:31,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:31,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2100624688] [2021-02-24 00:15:31,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:31,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:31,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:31,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:31,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:31,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:31,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:31,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:31,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:31,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:31,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:31,533 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:31,533 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:31,543 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:31,545 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:31,566 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:31,567 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:31,592 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:31,593 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:31,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:31,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:31,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:31,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2100624688] [2021-02-24 00:15:31,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:31,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-02-24 00:15:31,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099046949] [2021-02-24 00:15:31,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-24 00:15:31,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:31,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-24 00:15:31,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-02-24 00:15:31,632 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 9 states. [2021-02-24 00:15:32,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:32,015 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2021-02-24 00:15:32,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 00:15:32,016 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2021-02-24 00:15:32,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:32,021 INFO L225 Difference]: With dead ends: 111 [2021-02-24 00:15:32,022 INFO L226 Difference]: Without dead ends: 74 [2021-02-24 00:15:32,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-02-24 00:15:32,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-02-24 00:15:32,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2021-02-24 00:15:32,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2021-02-24 00:15:32,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 75 transitions. [2021-02-24 00:15:32,051 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 75 transitions. Word has length 53 [2021-02-24 00:15:32,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:32,052 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 75 transitions. [2021-02-24 00:15:32,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-24 00:15:32,052 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2021-02-24 00:15:32,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-24 00:15:32,053 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:32,054 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-24 00:15:32,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 00:15:32,054 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:32,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:32,055 INFO L82 PathProgramCache]: Analyzing trace with hash 549303208, now seen corresponding path program 2 times [2021-02-24 00:15:32,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:32,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [165845160] [2021-02-24 00:15:32,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:32,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:32,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:32,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:32,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:32,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:32,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:32,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:32,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:32,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:32,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:32,214 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:32,215 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:32,229 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:32,232 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:32,251 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:32,253 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:32,276 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:32,277 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:32,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:32,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:32,330 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:32,332 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:32,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:32,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:32,373 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:32,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [165845160] [2021-02-24 00:15:32,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:32,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-02-24 00:15:32,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169267837] [2021-02-24 00:15:32,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 00:15:32,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:32,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 00:15:32,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-02-24 00:15:32,379 INFO L87 Difference]: Start difference. First operand 70 states and 75 transitions. Second operand 11 states. [2021-02-24 00:15:32,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:32,815 INFO L93 Difference]: Finished difference Result 117 states and 127 transitions. [2021-02-24 00:15:32,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-24 00:15:32,816 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2021-02-24 00:15:32,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:32,819 INFO L225 Difference]: With dead ends: 117 [2021-02-24 00:15:32,819 INFO L226 Difference]: Without dead ends: 80 [2021-02-24 00:15:32,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2021-02-24 00:15:32,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-02-24 00:15:32,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2021-02-24 00:15:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-24 00:15:32,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2021-02-24 00:15:32,869 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 59 [2021-02-24 00:15:32,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:32,870 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2021-02-24 00:15:32,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 00:15:32,871 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2021-02-24 00:15:32,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-02-24 00:15:32,874 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:32,874 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2021-02-24 00:15:32,879 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 00:15:32,880 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:32,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:32,880 INFO L82 PathProgramCache]: Analyzing trace with hash -331612732, now seen corresponding path program 3 times [2021-02-24 00:15:32,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:32,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78211559] [2021-02-24 00:15:32,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:32,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:32,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:32,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:32,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:32,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:32,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:32,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:33,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:33,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:33,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:33,040 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:33,041 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:33,051 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:33,052 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:33,071 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:33,072 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:33,095 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:33,097 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:33,118 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:33,119 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:33,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:33,141 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:33,164 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:33,165 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:33,189 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:33,192 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:33,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:33,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:33,249 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:33,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [78211559] [2021-02-24 00:15:33,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:33,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-02-24 00:15:33,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534337122] [2021-02-24 00:15:33,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-24 00:15:33,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:33,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-24 00:15:33,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-02-24 00:15:33,253 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand 13 states. [2021-02-24 00:15:33,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:33,855 INFO L93 Difference]: Finished difference Result 123 states and 133 transitions. [2021-02-24 00:15:33,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-24 00:15:33,856 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 65 [2021-02-24 00:15:33,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:33,858 INFO L225 Difference]: With dead ends: 123 [2021-02-24 00:15:33,859 INFO L226 Difference]: Without dead ends: 86 [2021-02-24 00:15:33,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2021-02-24 00:15:33,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-02-24 00:15:33,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82. [2021-02-24 00:15:33,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-02-24 00:15:33,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 87 transitions. [2021-02-24 00:15:33,875 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 87 transitions. Word has length 65 [2021-02-24 00:15:33,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:33,876 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 87 transitions. [2021-02-24 00:15:33,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-24 00:15:33,876 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2021-02-24 00:15:33,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-02-24 00:15:33,878 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:33,878 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2021-02-24 00:15:33,878 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 00:15:33,879 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:33,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:33,879 INFO L82 PathProgramCache]: Analyzing trace with hash -141999392, now seen corresponding path program 4 times [2021-02-24 00:15:33,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:33,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724983614] [2021-02-24 00:15:33,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:33,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:33,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:33,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:33,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:33,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:33,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:33,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:33,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:34,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:34,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:34,013 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:34,013 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:34,024 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:34,025 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:34,042 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:34,043 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:34,061 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:34,063 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:34,087 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:34,089 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:34,114 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:34,117 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:34,145 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:34,149 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:34,176 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:34,177 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:34,210 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:34,211 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:34,240 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:34,242 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:34,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:34,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:34,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724983614] [2021-02-24 00:15:34,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:34,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-02-24 00:15:34,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409113788] [2021-02-24 00:15:34,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-24 00:15:34,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:34,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-24 00:15:34,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-02-24 00:15:34,300 INFO L87 Difference]: Start difference. First operand 82 states and 87 transitions. Second operand 15 states. [2021-02-24 00:15:34,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:34,906 INFO L93 Difference]: Finished difference Result 129 states and 139 transitions. [2021-02-24 00:15:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-24 00:15:34,907 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 71 [2021-02-24 00:15:34,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:34,912 INFO L225 Difference]: With dead ends: 129 [2021-02-24 00:15:34,912 INFO L226 Difference]: Without dead ends: 92 [2021-02-24 00:15:34,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=191, Invalid=511, Unknown=0, NotChecked=0, Total=702 [2021-02-24 00:15:34,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-02-24 00:15:34,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 88. [2021-02-24 00:15:34,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2021-02-24 00:15:34,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 93 transitions. [2021-02-24 00:15:34,951 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 93 transitions. Word has length 71 [2021-02-24 00:15:34,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:34,951 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 93 transitions. [2021-02-24 00:15:34,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-24 00:15:34,952 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2021-02-24 00:15:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-02-24 00:15:34,962 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:34,962 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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] [2021-02-24 00:15:34,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-24 00:15:34,963 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:34,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:34,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1815954172, now seen corresponding path program 5 times [2021-02-24 00:15:34,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:34,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379696455] [2021-02-24 00:15:34,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:35,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:35,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:35,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:35,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:35,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:35,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:35,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:35,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:35,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:35,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:35,132 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:35,136 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:35,149 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:35,150 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:35,171 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:35,173 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:35,192 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:35,194 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:35,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:35,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:35,242 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:35,243 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:35,266 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:35,267 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:35,290 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:35,291 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:35,316 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:35,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:35,348 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:35,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:35,376 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:35,377 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:35,405 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:35,406 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:35,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:35,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:35,470 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:35,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [379696455] [2021-02-24 00:15:35,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:35,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2021-02-24 00:15:35,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394338048] [2021-02-24 00:15:35,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-24 00:15:35,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:35,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-24 00:15:35,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2021-02-24 00:15:35,474 INFO L87 Difference]: Start difference. First operand 88 states and 93 transitions. Second operand 17 states. [2021-02-24 00:15:36,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:36,156 INFO L93 Difference]: Finished difference Result 135 states and 145 transitions. [2021-02-24 00:15:36,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-24 00:15:36,156 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 77 [2021-02-24 00:15:36,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:36,162 INFO L225 Difference]: With dead ends: 135 [2021-02-24 00:15:36,162 INFO L226 Difference]: Without dead ends: 98 [2021-02-24 00:15:36,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2021-02-24 00:15:36,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-02-24 00:15:36,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2021-02-24 00:15:36,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-02-24 00:15:36,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 99 transitions. [2021-02-24 00:15:36,194 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 99 transitions. Word has length 77 [2021-02-24 00:15:36,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:36,194 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 99 transitions. [2021-02-24 00:15:36,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-24 00:15:36,194 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2021-02-24 00:15:36,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-02-24 00:15:36,196 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:36,196 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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] [2021-02-24 00:15:36,196 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-24 00:15:36,196 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:36,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:36,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1394589208, now seen corresponding path program 6 times [2021-02-24 00:15:36,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:36,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1757200139] [2021-02-24 00:15:36,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:36,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:36,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:36,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:36,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:36,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:36,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:36,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:36,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:36,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:36,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:36,319 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:36,320 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:36,330 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:36,331 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:36,348 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:36,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:36,368 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:36,369 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:36,407 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:36,408 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:36,429 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:36,430 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:36,456 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:36,458 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:36,489 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:36,490 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:36,518 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:36,519 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:36,545 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:36,546 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:36,577 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:36,578 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:36,607 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:36,609 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:36,640 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:36,641 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:36,670 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:36,671 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:36,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:36,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:36,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1757200139] [2021-02-24 00:15:36,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:36,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2021-02-24 00:15:36,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661394128] [2021-02-24 00:15:36,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-24 00:15:36,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:36,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-24 00:15:36,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2021-02-24 00:15:36,739 INFO L87 Difference]: Start difference. First operand 94 states and 99 transitions. Second operand 19 states. [2021-02-24 00:15:37,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:37,515 INFO L93 Difference]: Finished difference Result 141 states and 151 transitions. [2021-02-24 00:15:37,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-24 00:15:37,516 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 83 [2021-02-24 00:15:37,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:37,517 INFO L225 Difference]: With dead ends: 141 [2021-02-24 00:15:37,517 INFO L226 Difference]: Without dead ends: 104 [2021-02-24 00:15:37,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=329, Invalid=861, Unknown=0, NotChecked=0, Total=1190 [2021-02-24 00:15:37,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-02-24 00:15:37,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2021-02-24 00:15:37,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-02-24 00:15:37,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 105 transitions. [2021-02-24 00:15:37,543 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 105 transitions. Word has length 83 [2021-02-24 00:15:37,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:37,544 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 105 transitions. [2021-02-24 00:15:37,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-24 00:15:37,545 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2021-02-24 00:15:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-02-24 00:15:37,553 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:37,553 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 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] [2021-02-24 00:15:37,553 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-24 00:15:37,553 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:37,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:37,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1881699380, now seen corresponding path program 7 times [2021-02-24 00:15:37,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:37,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [556728168] [2021-02-24 00:15:37,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:37,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:37,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:37,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:37,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:37,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:37,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:37,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:37,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:37,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:37,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:37,723 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:37,723 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:37,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:37,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:37,751 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:37,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:37,770 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:37,771 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:37,792 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:37,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:37,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:37,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:37,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:37,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:37,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:37,857 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:37,881 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:37,882 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:37,905 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:37,906 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:37,930 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:37,931 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:37,959 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:37,963 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:37,992 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:37,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:38,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:38,022 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:38,051 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:38,052 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:38,102 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:38,103 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:38,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:38,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:38,191 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:38,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [556728168] [2021-02-24 00:15:38,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:38,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2021-02-24 00:15:38,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660454992] [2021-02-24 00:15:38,193 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-24 00:15:38,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:38,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-24 00:15:38,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2021-02-24 00:15:38,194 INFO L87 Difference]: Start difference. First operand 100 states and 105 transitions. Second operand 21 states. [2021-02-24 00:15:39,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:39,027 INFO L93 Difference]: Finished difference Result 147 states and 157 transitions. [2021-02-24 00:15:39,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-24 00:15:39,028 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 89 [2021-02-24 00:15:39,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:39,029 INFO L225 Difference]: With dead ends: 147 [2021-02-24 00:15:39,030 INFO L226 Difference]: Without dead ends: 110 [2021-02-24 00:15:39,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=413, Invalid=1069, Unknown=0, NotChecked=0, Total=1482 [2021-02-24 00:15:39,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-02-24 00:15:39,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2021-02-24 00:15:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-02-24 00:15:39,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 111 transitions. [2021-02-24 00:15:39,049 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 111 transitions. Word has length 89 [2021-02-24 00:15:39,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:39,049 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 111 transitions. [2021-02-24 00:15:39,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2021-02-24 00:15:39,050 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2021-02-24 00:15:39,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-02-24 00:15:39,051 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:39,051 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 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] [2021-02-24 00:15:39,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-24 00:15:39,051 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:39,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:39,052 INFO L82 PathProgramCache]: Analyzing trace with hash 511649104, now seen corresponding path program 8 times [2021-02-24 00:15:39,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:39,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [604833710] [2021-02-24 00:15:39,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:39,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:39,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:39,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:39,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:39,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:39,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:39,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:39,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:39,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:39,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:39,202 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:39,203 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:39,213 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,213 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,230 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,249 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,250 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,271 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,272 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,292 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,293 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,317 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,346 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,347 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,375 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,376 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,406 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,410 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,438 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,439 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,470 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,471 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,504 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,505 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,537 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,538 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,573 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,574 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,615 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,616 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,653 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,690 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:39,691 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:39,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:39,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:39,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [604833710] [2021-02-24 00:15:39,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:39,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2021-02-24 00:15:39,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478564625] [2021-02-24 00:15:39,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-24 00:15:39,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:39,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-24 00:15:39,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2021-02-24 00:15:39,779 INFO L87 Difference]: Start difference. First operand 106 states and 111 transitions. Second operand 23 states. [2021-02-24 00:15:40,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:40,764 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2021-02-24 00:15:40,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-24 00:15:40,765 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 95 [2021-02-24 00:15:40,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:40,767 INFO L225 Difference]: With dead ends: 153 [2021-02-24 00:15:40,767 INFO L226 Difference]: Without dead ends: 116 [2021-02-24 00:15:40,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=507, Invalid=1299, Unknown=0, NotChecked=0, Total=1806 [2021-02-24 00:15:40,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-02-24 00:15:40,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 112. [2021-02-24 00:15:40,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-02-24 00:15:40,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 117 transitions. [2021-02-24 00:15:40,791 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 117 transitions. Word has length 95 [2021-02-24 00:15:40,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:40,791 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 117 transitions. [2021-02-24 00:15:40,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-02-24 00:15:40,791 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 117 transitions. [2021-02-24 00:15:40,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-02-24 00:15:40,793 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:40,793 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 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] [2021-02-24 00:15:40,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-24 00:15:40,794 INFO L428 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:40,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:40,794 INFO L82 PathProgramCache]: Analyzing trace with hash 746295660, now seen corresponding path program 9 times [2021-02-24 00:15:40,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:40,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33355034] [2021-02-24 00:15:40,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:40,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:40,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:40,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:40,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:40,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:40,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:40,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:40,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:40,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:40,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:40,996 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:40,997 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:41,010 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,011 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,028 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,029 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,062 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,063 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,083 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,083 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,103 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,104 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,126 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,150 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,151 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,173 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,174 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,200 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,201 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,255 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,256 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,288 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,289 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,319 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,350 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,351 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,380 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,381 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,419 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,420 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,461 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,462 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,501 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,502 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,543 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:41,544 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:41,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:41,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:41,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33355034] [2021-02-24 00:15:41,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:41,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2021-02-24 00:15:41,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895544705] [2021-02-24 00:15:41,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-24 00:15:41,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:41,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-24 00:15:41,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2021-02-24 00:15:41,629 INFO L87 Difference]: Start difference. First operand 112 states and 117 transitions. Second operand 25 states. [2021-02-24 00:15:42,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:42,787 INFO L93 Difference]: Finished difference Result 159 states and 169 transitions. [2021-02-24 00:15:42,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-24 00:15:42,789 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 101 [2021-02-24 00:15:42,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:42,790 INFO L225 Difference]: With dead ends: 159 [2021-02-24 00:15:42,790 INFO L226 Difference]: Without dead ends: 122 [2021-02-24 00:15:42,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=611, Invalid=1551, Unknown=0, NotChecked=0, Total=2162 [2021-02-24 00:15:42,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-02-24 00:15:42,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 118. [2021-02-24 00:15:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-02-24 00:15:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 123 transitions. [2021-02-24 00:15:42,808 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 123 transitions. Word has length 101 [2021-02-24 00:15:42,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:42,808 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 123 transitions. [2021-02-24 00:15:42,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2021-02-24 00:15:42,808 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2021-02-24 00:15:42,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-02-24 00:15:42,810 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:42,810 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 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] [2021-02-24 00:15:42,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-24 00:15:42,810 INFO L428 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:42,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:42,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1213892472, now seen corresponding path program 10 times [2021-02-24 00:15:42,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:42,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1049029998] [2021-02-24 00:15:42,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:42,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:42,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:42,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:42,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:42,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:42,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:42,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:42,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:42,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:42,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:42,962 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:42,963 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:42,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:42,973 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:42,990 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:42,991 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,008 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,009 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,028 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,029 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,049 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,050 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,072 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,073 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,096 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,097 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,121 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,121 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,145 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,146 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,172 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,172 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,201 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,202 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,250 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,259 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,289 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,290 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,323 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,324 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,362 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,410 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,411 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,447 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,448 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,483 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,485 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,518 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,519 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,561 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,564 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,607 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:43,607 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:43,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:43,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:43,712 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:43,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1049029998] [2021-02-24 00:15:43,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:43,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2021-02-24 00:15:43,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128170364] [2021-02-24 00:15:43,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-02-24 00:15:43,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:43,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-02-24 00:15:43,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2021-02-24 00:15:43,715 INFO L87 Difference]: Start difference. First operand 118 states and 123 transitions. Second operand 27 states. [2021-02-24 00:15:45,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:45,020 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2021-02-24 00:15:45,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-24 00:15:45,021 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 107 [2021-02-24 00:15:45,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:45,022 INFO L225 Difference]: With dead ends: 165 [2021-02-24 00:15:45,022 INFO L226 Difference]: Without dead ends: 128 [2021-02-24 00:15:45,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=725, Invalid=1825, Unknown=0, NotChecked=0, Total=2550 [2021-02-24 00:15:45,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-02-24 00:15:45,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2021-02-24 00:15:45,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2021-02-24 00:15:45,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 129 transitions. [2021-02-24 00:15:45,039 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 129 transitions. Word has length 107 [2021-02-24 00:15:45,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:45,040 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 129 transitions. [2021-02-24 00:15:45,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2021-02-24 00:15:45,040 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2021-02-24 00:15:45,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-02-24 00:15:45,041 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:45,042 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 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] [2021-02-24 00:15:45,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-24 00:15:45,042 INFO L428 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:45,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:45,043 INFO L82 PathProgramCache]: Analyzing trace with hash 146053796, now seen corresponding path program 11 times [2021-02-24 00:15:45,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:45,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934283963] [2021-02-24 00:15:45,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:45,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:45,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:45,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:45,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:45,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:45,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:45,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:45,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:45,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:45,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:45,194 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:45,194 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:45,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,204 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,220 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,237 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,238 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,257 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,258 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,277 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,277 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,297 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,319 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,320 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,351 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,352 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,378 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,406 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,407 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,438 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,439 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,470 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,471 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,505 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,505 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,578 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,580 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,618 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,657 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,658 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,698 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,699 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,750 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,751 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,795 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,796 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,883 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,884 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,929 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:45,931 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:45,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:45,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 341 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:46,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934283963] [2021-02-24 00:15:46,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:46,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2021-02-24 00:15:46,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322862639] [2021-02-24 00:15:46,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-02-24 00:15:46,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:46,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-02-24 00:15:46,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2021-02-24 00:15:46,032 INFO L87 Difference]: Start difference. First operand 124 states and 129 transitions. Second operand 29 states. [2021-02-24 00:15:47,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:47,643 INFO L93 Difference]: Finished difference Result 171 states and 181 transitions. [2021-02-24 00:15:47,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-02-24 00:15:47,644 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 113 [2021-02-24 00:15:47,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:47,646 INFO L225 Difference]: With dead ends: 171 [2021-02-24 00:15:47,646 INFO L226 Difference]: Without dead ends: 134 [2021-02-24 00:15:47,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=849, Invalid=2121, Unknown=0, NotChecked=0, Total=2970 [2021-02-24 00:15:47,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-02-24 00:15:47,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 130. [2021-02-24 00:15:47,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2021-02-24 00:15:47,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 135 transitions. [2021-02-24 00:15:47,668 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 135 transitions. Word has length 113 [2021-02-24 00:15:47,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:47,669 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 135 transitions. [2021-02-24 00:15:47,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2021-02-24 00:15:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2021-02-24 00:15:47,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-02-24 00:15:47,672 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:47,672 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 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] [2021-02-24 00:15:47,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-24 00:15:47,673 INFO L428 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:47,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:47,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1871755200, now seen corresponding path program 12 times [2021-02-24 00:15:47,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:47,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311528395] [2021-02-24 00:15:47,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:47,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:47,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:47,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:47,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:47,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:47,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:47,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:47,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:47,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:47,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:47,860 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:47,860 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:47,869 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:47,870 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:47,886 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:47,887 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:47,904 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:47,904 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:47,924 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:47,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:47,946 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:47,947 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:47,968 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:47,968 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:47,990 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:47,991 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,013 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,039 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,040 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,064 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,065 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,090 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,096 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,122 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,151 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,151 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,180 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,180 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,227 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,270 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,303 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,304 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,337 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,338 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,378 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,379 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,424 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,427 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,471 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,472 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,521 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,522 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,579 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,582 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,625 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,626 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,674 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:48,675 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:48,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:48,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:48,786 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:48,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311528395] [2021-02-24 00:15:48,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:48,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2021-02-24 00:15:48,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930225439] [2021-02-24 00:15:48,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-02-24 00:15:48,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:48,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-02-24 00:15:48,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2021-02-24 00:15:48,788 INFO L87 Difference]: Start difference. First operand 130 states and 135 transitions. Second operand 31 states. [2021-02-24 00:15:50,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:50,470 INFO L93 Difference]: Finished difference Result 177 states and 187 transitions. [2021-02-24 00:15:50,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-24 00:15:50,470 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 119 [2021-02-24 00:15:50,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:50,473 INFO L225 Difference]: With dead ends: 177 [2021-02-24 00:15:50,474 INFO L226 Difference]: Without dead ends: 140 [2021-02-24 00:15:50,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 579 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=983, Invalid=2439, Unknown=0, NotChecked=0, Total=3422 [2021-02-24 00:15:50,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-02-24 00:15:50,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2021-02-24 00:15:50,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-02-24 00:15:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 141 transitions. [2021-02-24 00:15:50,501 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 141 transitions. Word has length 119 [2021-02-24 00:15:50,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:50,501 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 141 transitions. [2021-02-24 00:15:50,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2021-02-24 00:15:50,502 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 141 transitions. [2021-02-24 00:15:50,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-02-24 00:15:50,503 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:50,503 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 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] [2021-02-24 00:15:50,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-24 00:15:50,504 INFO L428 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:50,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:50,505 INFO L82 PathProgramCache]: Analyzing trace with hash 525438940, now seen corresponding path program 13 times [2021-02-24 00:15:50,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:50,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1268937018] [2021-02-24 00:15:50,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:50,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:50,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:50,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:50,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:50,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:50,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:50,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:50,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:50,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:50,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:50,679 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:50,680 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:50,688 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:50,689 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:50,705 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:50,706 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:50,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:50,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:50,754 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:50,755 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:50,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:50,775 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:50,795 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:50,795 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:50,816 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:50,817 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:50,840 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:50,841 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:50,864 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:50,864 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:50,895 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:50,896 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:50,926 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:50,927 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:50,965 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:50,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,003 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:51,004 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,039 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:51,040 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,081 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:51,082 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,125 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:51,126 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,168 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:51,169 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,214 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:51,215 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,261 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:51,262 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:51,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,347 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:51,348 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,389 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:51,390 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,433 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:51,434 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,473 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:51,474 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,514 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:51,515 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:51,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,602 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:51,603 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:51,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:51,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:51,757 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 481 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:51,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1268937018] [2021-02-24 00:15:51,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:51,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2021-02-24 00:15:51,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567953231] [2021-02-24 00:15:51,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-02-24 00:15:51,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:51,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-02-24 00:15:51,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=797, Unknown=0, NotChecked=0, Total=1056 [2021-02-24 00:15:51,763 INFO L87 Difference]: Start difference. First operand 136 states and 141 transitions. Second operand 33 states. [2021-02-24 00:15:53,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:53,564 INFO L93 Difference]: Finished difference Result 183 states and 193 transitions. [2021-02-24 00:15:53,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-24 00:15:53,565 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 125 [2021-02-24 00:15:53,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:53,567 INFO L225 Difference]: With dead ends: 183 [2021-02-24 00:15:53,567 INFO L226 Difference]: Without dead ends: 146 [2021-02-24 00:15:53,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1127, Invalid=2779, Unknown=0, NotChecked=0, Total=3906 [2021-02-24 00:15:53,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-02-24 00:15:53,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 142. [2021-02-24 00:15:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2021-02-24 00:15:53,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 147 transitions. [2021-02-24 00:15:53,586 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 147 transitions. Word has length 125 [2021-02-24 00:15:53,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:53,586 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 147 transitions. [2021-02-24 00:15:53,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2021-02-24 00:15:53,586 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 147 transitions. [2021-02-24 00:15:53,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-02-24 00:15:53,588 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:53,588 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 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] [2021-02-24 00:15:53,588 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-02-24 00:15:53,588 INFO L428 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:53,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:53,589 INFO L82 PathProgramCache]: Analyzing trace with hash 171893496, now seen corresponding path program 14 times [2021-02-24 00:15:53,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:53,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124560504] [2021-02-24 00:15:53,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:53,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:53,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:53,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:53,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:53,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:53,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:53,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:53,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:53,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:53,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:53,742 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:53,743 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:53,751 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:53,752 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:53,767 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:53,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:53,784 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:53,785 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:53,804 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:53,805 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:53,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:53,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:53,845 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:53,845 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:53,866 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:53,867 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:53,888 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:53,889 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:53,911 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:53,911 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:53,935 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:53,936 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:53,960 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:53,960 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:53,985 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:53,986 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,015 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,017 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,051 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,052 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,089 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,127 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,128 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,165 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,209 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,210 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,244 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,245 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,279 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,279 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,323 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,324 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,371 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,372 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,421 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,427 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,472 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,473 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,524 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,524 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,578 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,581 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,626 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,627 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,683 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,684 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,740 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:54,741 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:54,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:54,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:54,881 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:54,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124560504] [2021-02-24 00:15:54,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:54,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2021-02-24 00:15:54,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63628509] [2021-02-24 00:15:54,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-02-24 00:15:54,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:54,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-02-24 00:15:54,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=898, Unknown=0, NotChecked=0, Total=1190 [2021-02-24 00:15:54,884 INFO L87 Difference]: Start difference. First operand 142 states and 147 transitions. Second operand 35 states. [2021-02-24 00:15:56,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:15:56,957 INFO L93 Difference]: Finished difference Result 189 states and 199 transitions. [2021-02-24 00:15:56,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-02-24 00:15:56,958 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 131 [2021-02-24 00:15:56,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:15:56,959 INFO L225 Difference]: With dead ends: 189 [2021-02-24 00:15:56,959 INFO L226 Difference]: Without dead ends: 152 [2021-02-24 00:15:56,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1281, Invalid=3141, Unknown=0, NotChecked=0, Total=4422 [2021-02-24 00:15:56,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-02-24 00:15:56,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 148. [2021-02-24 00:15:56,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2021-02-24 00:15:56,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 153 transitions. [2021-02-24 00:15:56,982 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 153 transitions. Word has length 131 [2021-02-24 00:15:56,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:15:56,983 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 153 transitions. [2021-02-24 00:15:56,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2021-02-24 00:15:56,983 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 153 transitions. [2021-02-24 00:15:56,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-02-24 00:15:56,984 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:15:56,985 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 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] [2021-02-24 00:15:56,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-02-24 00:15:56,985 INFO L428 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:15:56,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:15:56,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1110413036, now seen corresponding path program 15 times [2021-02-24 00:15:56,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:15:56,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [442160853] [2021-02-24 00:15:56,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:15:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:57,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:57,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:57,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:57,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:57,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:15:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:57,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:57,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:57,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:15:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:15:57,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:57,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:15:57,160 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:15:57,160 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:15:57,170 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,187 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,188 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,206 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,207 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,226 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,250 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,250 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,272 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,273 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,295 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,296 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,320 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,320 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,345 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,346 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,371 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,372 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,398 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,399 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,429 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,430 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,464 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,465 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,504 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,504 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,544 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,545 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,583 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,584 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,625 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,626 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,667 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,668 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,713 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,759 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,760 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,806 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,807 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,857 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,915 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,917 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:57,968 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:57,969 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:58,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:58,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:58,075 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:58,076 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:58,127 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:58,128 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:58,188 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:58,189 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:58,240 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:58,241 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:58,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:58,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:58,352 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:15:58,353 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:15:58,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:15:58,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:15:58,504 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 0 proven. 645 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:15:58,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [442160853] [2021-02-24 00:15:58,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:15:58,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2021-02-24 00:15:58,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97738389] [2021-02-24 00:15:58,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-02-24 00:15:58,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:15:58,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-02-24 00:15:58,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=1005, Unknown=0, NotChecked=0, Total=1332 [2021-02-24 00:15:58,507 INFO L87 Difference]: Start difference. First operand 148 states and 153 transitions. Second operand 37 states. [2021-02-24 00:16:00,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:00,580 INFO L93 Difference]: Finished difference Result 195 states and 205 transitions. [2021-02-24 00:16:00,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-02-24 00:16:00,581 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 137 [2021-02-24 00:16:00,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:00,583 INFO L225 Difference]: With dead ends: 195 [2021-02-24 00:16:00,583 INFO L226 Difference]: Without dead ends: 158 [2021-02-24 00:16:00,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1445, Invalid=3525, Unknown=0, NotChecked=0, Total=4970 [2021-02-24 00:16:00,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-02-24 00:16:00,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 154. [2021-02-24 00:16:00,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2021-02-24 00:16:00,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 159 transitions. [2021-02-24 00:16:00,607 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 159 transitions. Word has length 137 [2021-02-24 00:16:00,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:00,608 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 159 transitions. [2021-02-24 00:16:00,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 37 states. [2021-02-24 00:16:00,608 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 159 transitions. [2021-02-24 00:16:00,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-02-24 00:16:00,609 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:00,610 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 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] [2021-02-24 00:16:00,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-02-24 00:16:00,610 INFO L428 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:00,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:00,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1051589168, now seen corresponding path program 16 times [2021-02-24 00:16:00,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:00,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [980426738] [2021-02-24 00:16:00,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:00,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:00,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:00,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:00,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:00,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:00,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:00,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:00,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:16:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:00,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:00,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:00,817 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:16:00,817 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:16:00,827 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:00,827 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:00,845 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:00,845 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:00,866 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:00,866 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:00,890 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:00,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:00,923 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:00,924 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:00,947 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:00,948 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:00,984 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:00,985 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,014 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,015 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,054 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,055 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,087 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,088 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,140 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,140 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,178 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,212 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,213 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,263 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,264 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,345 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,346 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,389 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,390 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,426 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,426 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,461 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,462 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,499 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,499 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,533 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,534 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,570 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,571 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,609 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,609 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,649 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,650 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,690 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,691 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,734 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,778 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,779 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,822 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,869 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,869 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,915 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,915 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:01,961 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:01,961 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:02,007 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:02,008 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:02,060 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:02,063 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:02,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:02,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:02,222 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 0 proven. 736 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:16:02,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [980426738] [2021-02-24 00:16:02,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:16:02,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2021-02-24 00:16:02,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677066146] [2021-02-24 00:16:02,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-02-24 00:16:02,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:02,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-02-24 00:16:02,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=1118, Unknown=0, NotChecked=0, Total=1482 [2021-02-24 00:16:02,225 INFO L87 Difference]: Start difference. First operand 154 states and 159 transitions. Second operand 39 states. [2021-02-24 00:16:04,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:04,789 INFO L93 Difference]: Finished difference Result 201 states and 211 transitions. [2021-02-24 00:16:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-02-24 00:16:04,789 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 143 [2021-02-24 00:16:04,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:04,791 INFO L225 Difference]: With dead ends: 201 [2021-02-24 00:16:04,791 INFO L226 Difference]: Without dead ends: 164 [2021-02-24 00:16:04,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1619, Invalid=3931, Unknown=0, NotChecked=0, Total=5550 [2021-02-24 00:16:04,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-02-24 00:16:04,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2021-02-24 00:16:04,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2021-02-24 00:16:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 165 transitions. [2021-02-24 00:16:04,817 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 165 transitions. Word has length 143 [2021-02-24 00:16:04,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:04,818 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 165 transitions. [2021-02-24 00:16:04,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 39 states. [2021-02-24 00:16:04,818 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2021-02-24 00:16:04,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-02-24 00:16:04,819 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:04,819 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 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] [2021-02-24 00:16:04,819 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-02-24 00:16:04,819 INFO L428 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:04,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:04,820 INFO L82 PathProgramCache]: Analyzing trace with hash -458277300, now seen corresponding path program 17 times [2021-02-24 00:16:04,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:04,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1926102265] [2021-02-24 00:16:04,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:04,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:04,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:04,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:04,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:04,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:04,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:04,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:04,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:16:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:05,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:05,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:05,002 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:16:05,003 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:16:05,011 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,012 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,027 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,028 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,046 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,046 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,065 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,065 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,084 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,085 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,109 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,110 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,138 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,140 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,168 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,169 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,201 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,201 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,234 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,235 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,268 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,269 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,304 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,305 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,341 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,342 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,380 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,381 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,423 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,424 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,466 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,469 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,509 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,510 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,553 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,554 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,598 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,598 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,644 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,647 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,701 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,702 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,750 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,751 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,800 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,801 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,852 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,853 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,905 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,906 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:05,960 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:05,961 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:06,016 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:06,017 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:06,075 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:06,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:06,131 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:06,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:06,192 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:06,193 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:06,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:06,253 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:06,314 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:06,315 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:06,377 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:06,378 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:06,442 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:06,445 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:06,502 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:06,502 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:06,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:06,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:06,665 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 0 proven. 833 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:16:06,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1926102265] [2021-02-24 00:16:06,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:16:06,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2021-02-24 00:16:06,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45028554] [2021-02-24 00:16:06,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-02-24 00:16:06,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:06,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-02-24 00:16:06,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=403, Invalid=1237, Unknown=0, NotChecked=0, Total=1640 [2021-02-24 00:16:06,668 INFO L87 Difference]: Start difference. First operand 160 states and 165 transitions. Second operand 41 states. [2021-02-24 00:16:09,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:09,313 INFO L93 Difference]: Finished difference Result 207 states and 217 transitions. [2021-02-24 00:16:09,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-02-24 00:16:09,314 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 149 [2021-02-24 00:16:09,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:09,315 INFO L225 Difference]: With dead ends: 207 [2021-02-24 00:16:09,315 INFO L226 Difference]: Without dead ends: 170 [2021-02-24 00:16:09,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1074 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1803, Invalid=4359, Unknown=0, NotChecked=0, Total=6162 [2021-02-24 00:16:09,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-02-24 00:16:09,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 166. [2021-02-24 00:16:09,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2021-02-24 00:16:09,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 171 transitions. [2021-02-24 00:16:09,344 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 171 transitions. Word has length 149 [2021-02-24 00:16:09,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:09,344 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 171 transitions. [2021-02-24 00:16:09,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2021-02-24 00:16:09,345 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 171 transitions. [2021-02-24 00:16:09,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-02-24 00:16:09,346 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:09,346 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 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] [2021-02-24 00:16:09,347 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-02-24 00:16:09,347 INFO L428 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:09,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:09,347 INFO L82 PathProgramCache]: Analyzing trace with hash 920386920, now seen corresponding path program 18 times [2021-02-24 00:16:09,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:09,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344663174] [2021-02-24 00:16:09,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:09,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:09,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:09,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:09,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:09,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:09,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:09,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:09,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:16:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:09,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:09,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:09,583 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:16:09,584 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:16:09,596 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:09,596 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:09,618 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:09,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:09,641 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:09,642 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:09,664 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:09,665 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:09,688 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:09,689 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:09,713 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:09,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:09,738 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:09,739 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:09,762 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:09,763 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:09,788 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:09,789 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:09,815 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:09,816 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:09,844 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:09,845 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:09,874 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:09,875 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:09,905 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:09,906 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:09,936 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:09,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:09,970 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:09,970 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,003 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,038 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,039 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,070 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,071 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,108 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,144 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,144 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,187 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,188 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,236 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,237 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,362 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,362 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,421 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,479 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,480 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,540 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,591 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,592 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,639 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,687 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,737 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,737 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,786 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,787 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,848 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,852 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,918 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,919 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:10,985 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:10,985 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:11,054 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:11,055 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:11,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:11,124 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:11,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:11,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:11,298 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 0 proven. 936 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:16:11,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344663174] [2021-02-24 00:16:11,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:16:11,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2021-02-24 00:16:11,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151273815] [2021-02-24 00:16:11,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-02-24 00:16:11,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:11,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-02-24 00:16:11,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=1362, Unknown=0, NotChecked=0, Total=1806 [2021-02-24 00:16:11,300 INFO L87 Difference]: Start difference. First operand 166 states and 171 transitions. Second operand 43 states. [2021-02-24 00:16:14,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:14,131 INFO L93 Difference]: Finished difference Result 213 states and 223 transitions. [2021-02-24 00:16:14,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-02-24 00:16:14,131 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 155 [2021-02-24 00:16:14,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:14,133 INFO L225 Difference]: With dead ends: 213 [2021-02-24 00:16:14,133 INFO L226 Difference]: Without dead ends: 176 [2021-02-24 00:16:14,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1191 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1997, Invalid=4809, Unknown=0, NotChecked=0, Total=6806 [2021-02-24 00:16:14,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-02-24 00:16:14,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2021-02-24 00:16:14,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2021-02-24 00:16:14,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 177 transitions. [2021-02-24 00:16:14,159 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 177 transitions. Word has length 155 [2021-02-24 00:16:14,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:14,159 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 177 transitions. [2021-02-24 00:16:14,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 43 states. [2021-02-24 00:16:14,160 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2021-02-24 00:16:14,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-02-24 00:16:14,161 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:14,161 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 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] [2021-02-24 00:16:14,161 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-02-24 00:16:14,161 INFO L428 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:14,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:14,161 INFO L82 PathProgramCache]: Analyzing trace with hash -949225596, now seen corresponding path program 19 times [2021-02-24 00:16:14,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:14,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875377577] [2021-02-24 00:16:14,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:14,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:14,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:14,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:14,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:14,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:14,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:14,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:14,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:16:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:14,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:14,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:14,368 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:16:14,368 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:16:14,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,401 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,402 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,424 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,425 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,448 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,448 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,470 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,471 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,495 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,496 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,521 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,548 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,548 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,576 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,577 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,602 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,603 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,630 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,631 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,659 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,659 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,689 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,690 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,721 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,722 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,752 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,752 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,787 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,788 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,870 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,906 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,907 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,941 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,942 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:14,989 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:14,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,051 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,052 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,096 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,097 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,141 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,142 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,195 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,195 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,250 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,250 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,362 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,419 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,420 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,480 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,480 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,604 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,605 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,667 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,731 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,731 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,797 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,798 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,866 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,866 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,931 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,934 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:15,996 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:15,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:16,064 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:16,065 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:16,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:16,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 0 proven. 1045 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:16:16,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875377577] [2021-02-24 00:16:16,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:16:16,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2021-02-24 00:16:16,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165416550] [2021-02-24 00:16:16,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-02-24 00:16:16,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:16,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-02-24 00:16:16,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=487, Invalid=1493, Unknown=0, NotChecked=0, Total=1980 [2021-02-24 00:16:16,258 INFO L87 Difference]: Start difference. First operand 172 states and 177 transitions. Second operand 45 states. [2021-02-24 00:16:19,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:19,257 INFO L93 Difference]: Finished difference Result 219 states and 229 transitions. [2021-02-24 00:16:19,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-02-24 00:16:19,261 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 161 [2021-02-24 00:16:19,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:19,262 INFO L225 Difference]: With dead ends: 219 [2021-02-24 00:16:19,262 INFO L226 Difference]: Without dead ends: 182 [2021-02-24 00:16:19,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1314 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=2201, Invalid=5281, Unknown=0, NotChecked=0, Total=7482 [2021-02-24 00:16:19,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-02-24 00:16:19,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 178. [2021-02-24 00:16:19,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2021-02-24 00:16:19,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 183 transitions. [2021-02-24 00:16:19,288 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 183 transitions. Word has length 161 [2021-02-24 00:16:19,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:19,288 INFO L480 AbstractCegarLoop]: Abstraction has 178 states and 183 transitions. [2021-02-24 00:16:19,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 45 states. [2021-02-24 00:16:19,289 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 183 transitions. [2021-02-24 00:16:19,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-02-24 00:16:19,290 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:19,290 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 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] [2021-02-24 00:16:19,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-02-24 00:16:19,290 INFO L428 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:19,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:19,291 INFO L82 PathProgramCache]: Analyzing trace with hash 264694944, now seen corresponding path program 20 times [2021-02-24 00:16:19,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:19,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1224470033] [2021-02-24 00:16:19,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:19,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:19,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:19,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:19,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:19,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:19,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:19,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:19,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:16:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:19,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:19,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:19,500 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:16:19,501 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:16:19,510 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:19,511 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:19,529 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:19,530 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:19,549 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:19,550 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:19,576 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:19,577 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:19,609 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:19,610 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:19,641 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:19,641 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:19,669 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:19,670 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:19,709 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:19,710 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:19,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:19,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:19,783 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:19,784 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:19,827 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:19,828 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:19,859 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:19,860 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:19,907 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:19,908 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:19,947 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:19,948 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:19,999 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,000 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,040 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,094 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,137 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,137 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,193 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,194 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,241 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,242 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,301 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,302 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,342 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,343 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,387 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,388 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,435 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,436 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,477 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,478 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,523 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,523 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,572 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,573 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,621 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,621 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,671 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,672 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,775 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,876 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,931 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,932 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:20,996 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:20,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:21,068 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:21,069 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:21,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:21,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:21,210 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:21,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:21,277 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:21,278 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:21,350 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:21,351 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:21,425 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:21,429 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:21,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:21,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 0 proven. 1160 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:16:21,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1224470033] [2021-02-24 00:16:21,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:16:21,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2021-02-24 00:16:21,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134614595] [2021-02-24 00:16:21,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-02-24 00:16:21,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:21,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-02-24 00:16:21,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=532, Invalid=1630, Unknown=0, NotChecked=0, Total=2162 [2021-02-24 00:16:21,629 INFO L87 Difference]: Start difference. First operand 178 states and 183 transitions. Second operand 47 states. [2021-02-24 00:16:25,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:25,105 INFO L93 Difference]: Finished difference Result 225 states and 235 transitions. [2021-02-24 00:16:25,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-02-24 00:16:25,106 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 167 [2021-02-24 00:16:25,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:25,108 INFO L225 Difference]: With dead ends: 225 [2021-02-24 00:16:25,108 INFO L226 Difference]: Without dead ends: 188 [2021-02-24 00:16:25,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1443 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=2415, Invalid=5775, Unknown=0, NotChecked=0, Total=8190 [2021-02-24 00:16:25,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-02-24 00:16:25,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 184. [2021-02-24 00:16:25,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2021-02-24 00:16:25,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 189 transitions. [2021-02-24 00:16:25,129 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 189 transitions. Word has length 167 [2021-02-24 00:16:25,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:25,129 INFO L480 AbstractCegarLoop]: Abstraction has 184 states and 189 transitions. [2021-02-24 00:16:25,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 47 states. [2021-02-24 00:16:25,130 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 189 transitions. [2021-02-24 00:16:25,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-02-24 00:16:25,131 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:25,131 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 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] [2021-02-24 00:16:25,131 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-02-24 00:16:25,131 INFO L428 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:25,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:25,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1283759292, now seen corresponding path program 21 times [2021-02-24 00:16:25,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:25,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215968538] [2021-02-24 00:16:25,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:25,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:25,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:25,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:25,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:25,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:25,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:25,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:25,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:16:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:25,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:25,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:25,338 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:16:25,339 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:16:25,348 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,368 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,368 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,387 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,388 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,410 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,411 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,434 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,458 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,459 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,482 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,510 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,511 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,539 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,540 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,570 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,571 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,599 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,599 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,642 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,643 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,672 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,673 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,705 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,706 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,739 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,739 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,775 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,808 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,809 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,846 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,846 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,882 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,883 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,921 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,922 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,958 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:25,996 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:25,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,043 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,044 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,097 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,097 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,151 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,151 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,207 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,208 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,263 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,264 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,322 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,323 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,380 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,381 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,441 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,442 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,503 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,504 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,567 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,568 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,632 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,633 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,699 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,701 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,764 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,764 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,905 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,906 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:26,976 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:26,977 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:27,054 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:27,055 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:27,125 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:27,126 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:27,200 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:27,200 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:27,277 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:27,279 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:27,356 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:27,357 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:27,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:27,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:27,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 0 proven. 1281 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:16:27,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215968538] [2021-02-24 00:16:27,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:16:27,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2021-02-24 00:16:27,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857252214] [2021-02-24 00:16:27,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-02-24 00:16:27,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:27,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-02-24 00:16:27,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=1773, Unknown=0, NotChecked=0, Total=2352 [2021-02-24 00:16:27,576 INFO L87 Difference]: Start difference. First operand 184 states and 189 transitions. Second operand 49 states. [2021-02-24 00:16:31,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:31,414 INFO L93 Difference]: Finished difference Result 231 states and 241 transitions. [2021-02-24 00:16:31,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-02-24 00:16:31,415 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 173 [2021-02-24 00:16:31,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:31,417 INFO L225 Difference]: With dead ends: 231 [2021-02-24 00:16:31,417 INFO L226 Difference]: Without dead ends: 194 [2021-02-24 00:16:31,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1578 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=2639, Invalid=6291, Unknown=0, NotChecked=0, Total=8930 [2021-02-24 00:16:31,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-02-24 00:16:31,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 190. [2021-02-24 00:16:31,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2021-02-24 00:16:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 195 transitions. [2021-02-24 00:16:31,444 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 195 transitions. Word has length 173 [2021-02-24 00:16:31,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:31,445 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 195 transitions. [2021-02-24 00:16:31,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 49 states. [2021-02-24 00:16:31,445 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 195 transitions. [2021-02-24 00:16:31,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-24 00:16:31,446 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:31,446 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 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] [2021-02-24 00:16:31,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-02-24 00:16:31,447 INFO L428 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:31,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:31,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1500301272, now seen corresponding path program 22 times [2021-02-24 00:16:31,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:31,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1234460274] [2021-02-24 00:16:31,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:31,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:31,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:31,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:31,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:31,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:31,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:31,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:31,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:16:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:31,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:31,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:31,665 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:16:31,665 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:16:31,674 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:31,675 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:31,692 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:31,693 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:31,713 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:31,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:31,735 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:31,736 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:31,757 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:31,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:31,781 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:31,782 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:31,805 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:31,806 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:31,831 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:31,832 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:31,872 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:31,873 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:31,906 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:31,906 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:31,937 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:31,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:31,969 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:31,970 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,003 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,004 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,036 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,036 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,072 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,073 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,115 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,116 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,159 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,160 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,204 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,251 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,299 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,300 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,348 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,400 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,401 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,452 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,452 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,505 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,506 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,560 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,561 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,616 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,617 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,673 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,674 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,736 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,737 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,852 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,853 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,913 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:32,978 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:32,978 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:33,042 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:33,043 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:33,108 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:33,109 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:33,177 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:33,178 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:33,246 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:33,247 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:33,317 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:33,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:33,390 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:33,391 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:33,464 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:33,465 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:33,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:33,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:33,617 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:33,618 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:33,694 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:33,695 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:33,788 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:33,789 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:33,870 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:33,870 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:33,952 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:33,953 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:34,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:34,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:34,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1417 backedges. 0 proven. 1408 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:16:34,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1234460274] [2021-02-24 00:16:34,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:16:34,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2021-02-24 00:16:34,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126861186] [2021-02-24 00:16:34,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-02-24 00:16:34,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:34,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-02-24 00:16:34,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=628, Invalid=1922, Unknown=0, NotChecked=0, Total=2550 [2021-02-24 00:16:34,184 INFO L87 Difference]: Start difference. First operand 190 states and 195 transitions. Second operand 51 states. [2021-02-24 00:16:38,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:38,038 INFO L93 Difference]: Finished difference Result 237 states and 247 transitions. [2021-02-24 00:16:38,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-02-24 00:16:38,038 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 179 [2021-02-24 00:16:38,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:38,040 INFO L225 Difference]: With dead ends: 237 [2021-02-24 00:16:38,041 INFO L226 Difference]: Without dead ends: 200 [2021-02-24 00:16:38,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1719 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=2873, Invalid=6829, Unknown=0, NotChecked=0, Total=9702 [2021-02-24 00:16:38,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-02-24 00:16:38,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 196. [2021-02-24 00:16:38,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2021-02-24 00:16:38,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 201 transitions. [2021-02-24 00:16:38,069 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 201 transitions. Word has length 179 [2021-02-24 00:16:38,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:38,070 INFO L480 AbstractCegarLoop]: Abstraction has 196 states and 201 transitions. [2021-02-24 00:16:38,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 51 states. [2021-02-24 00:16:38,070 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 201 transitions. [2021-02-24 00:16:38,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-02-24 00:16:38,071 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:38,071 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 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] [2021-02-24 00:16:38,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-02-24 00:16:38,072 INFO L428 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:38,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:38,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1921569292, now seen corresponding path program 23 times [2021-02-24 00:16:38,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:38,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291028198] [2021-02-24 00:16:38,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:38,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:38,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:38,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:38,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:38,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:38,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:38,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:38,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:16:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:38,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:38,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:38,308 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:16:38,308 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:16:38,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,336 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,336 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,356 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,356 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,377 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,377 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,399 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,422 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,423 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,472 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,472 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,499 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,499 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,529 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,530 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,560 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,560 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,594 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,594 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,626 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,627 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,666 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,703 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,704 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,738 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,739 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,775 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,862 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,863 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,906 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,906 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,947 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,948 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:38,991 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:38,991 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,035 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,035 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,085 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,088 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,198 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,200 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,255 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,256 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,316 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,316 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,377 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,378 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,440 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,441 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,505 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,506 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,571 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,572 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,637 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,638 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,704 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,705 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,773 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,775 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,834 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,913 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:39,987 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:39,990 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:40,052 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:40,053 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:40,126 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:40,128 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:40,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:40,203 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:40,281 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:40,282 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:40,360 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:40,361 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:40,442 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:40,442 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:40,523 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:40,524 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:40,608 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:40,611 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:40,697 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:40,702 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:40,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:40,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 0 proven. 1541 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:16:40,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291028198] [2021-02-24 00:16:40,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:16:40,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2021-02-24 00:16:40,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495393480] [2021-02-24 00:16:40,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-02-24 00:16:40,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:40,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-02-24 00:16:40,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=679, Invalid=2077, Unknown=0, NotChecked=0, Total=2756 [2021-02-24 00:16:40,957 INFO L87 Difference]: Start difference. First operand 196 states and 201 transitions. Second operand 53 states. [2021-02-24 00:16:45,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:45,329 INFO L93 Difference]: Finished difference Result 243 states and 253 transitions. [2021-02-24 00:16:45,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-02-24 00:16:45,330 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 185 [2021-02-24 00:16:45,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:45,332 INFO L225 Difference]: With dead ends: 243 [2021-02-24 00:16:45,332 INFO L226 Difference]: Without dead ends: 206 [2021-02-24 00:16:45,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1866 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=3117, Invalid=7389, Unknown=0, NotChecked=0, Total=10506 [2021-02-24 00:16:45,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-02-24 00:16:45,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 202. [2021-02-24 00:16:45,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2021-02-24 00:16:45,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 207 transitions. [2021-02-24 00:16:45,369 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 207 transitions. Word has length 185 [2021-02-24 00:16:45,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:45,370 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 207 transitions. [2021-02-24 00:16:45,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 53 states. [2021-02-24 00:16:45,370 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 207 transitions. [2021-02-24 00:16:45,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-02-24 00:16:45,371 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:45,372 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 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] [2021-02-24 00:16:45,372 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-02-24 00:16:45,372 INFO L428 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:45,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:45,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1765044464, now seen corresponding path program 24 times [2021-02-24 00:16:45,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:45,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1370239460] [2021-02-24 00:16:45,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:45,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:45,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:45,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:45,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:45,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:45,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:45,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:45,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:16:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:45,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:45,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:45,601 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:16:45,602 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:16:45,613 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:45,614 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:45,634 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:45,635 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:45,655 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:45,655 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:45,679 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:45,680 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:45,704 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:45,705 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:45,731 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:45,731 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:45,758 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:45,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:45,785 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:45,786 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:45,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:45,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:45,842 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:45,843 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:45,872 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:45,873 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:45,904 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:45,905 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:45,940 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:45,941 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:45,981 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:45,982 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,023 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,024 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,067 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,068 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,122 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,169 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,271 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,272 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,320 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,321 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,370 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,371 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,423 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,424 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,478 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,534 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,535 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,593 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,593 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,652 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,653 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,712 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,775 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,901 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,902 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:46,967 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:46,968 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:47,035 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:47,036 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:47,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:47,106 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:47,176 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:47,177 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:47,249 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:47,250 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:47,322 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:47,323 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:47,396 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:47,397 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:47,471 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:47,472 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:47,549 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:47,550 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:47,630 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:47,631 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:47,698 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:47,698 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:47,766 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:47,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:47,841 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:47,842 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:47,915 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:47,916 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:47,992 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:47,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:48,082 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:48,082 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:48,170 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:48,171 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:48,260 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:48,260 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:48,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:48,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:48,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1689 backedges. 0 proven. 1680 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:16:48,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1370239460] [2021-02-24 00:16:48,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:16:48,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2021-02-24 00:16:48,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71653765] [2021-02-24 00:16:48,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-02-24 00:16:48,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:48,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-02-24 00:16:48,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=732, Invalid=2238, Unknown=0, NotChecked=0, Total=2970 [2021-02-24 00:16:48,528 INFO L87 Difference]: Start difference. First operand 202 states and 207 transitions. Second operand 55 states. [2021-02-24 00:16:52,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:52,997 INFO L93 Difference]: Finished difference Result 249 states and 259 transitions. [2021-02-24 00:16:52,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-02-24 00:16:52,999 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 191 [2021-02-24 00:16:53,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:53,001 INFO L225 Difference]: With dead ends: 249 [2021-02-24 00:16:53,001 INFO L226 Difference]: Without dead ends: 212 [2021-02-24 00:16:53,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2019 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=3371, Invalid=7971, Unknown=0, NotChecked=0, Total=11342 [2021-02-24 00:16:53,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-02-24 00:16:53,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 208. [2021-02-24 00:16:53,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2021-02-24 00:16:53,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 213 transitions. [2021-02-24 00:16:53,032 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 213 transitions. Word has length 191 [2021-02-24 00:16:53,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:53,032 INFO L480 AbstractCegarLoop]: Abstraction has 208 states and 213 transitions. [2021-02-24 00:16:53,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 55 states. [2021-02-24 00:16:53,033 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 213 transitions. [2021-02-24 00:16:53,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-02-24 00:16:53,033 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:53,034 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 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] [2021-02-24 00:16:53,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-02-24 00:16:53,034 INFO L428 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:53,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:53,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1455532844, now seen corresponding path program 25 times [2021-02-24 00:16:53,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:53,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603681565] [2021-02-24 00:16:53,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:53,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:53,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:53,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:53,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:53,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:53,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:53,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:53,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:16:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:53,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:53,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:53,300 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:16:53,300 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:16:53,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,329 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,329 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,350 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,351 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,373 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,374 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,398 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,399 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,424 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,425 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,449 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,450 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,479 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,480 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,511 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,511 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,539 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,570 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,571 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,610 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,610 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,651 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,652 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,692 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,693 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,777 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,778 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,822 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,868 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,869 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,910 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,911 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:53,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:53,959 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,009 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,010 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,061 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,062 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,111 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,115 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,166 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,167 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,242 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,243 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,298 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,299 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,351 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,352 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,411 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,472 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,473 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,535 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,536 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,599 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,600 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,666 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,734 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,735 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,805 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,806 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,877 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:54,949 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:54,953 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:55,023 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:55,024 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:55,097 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:55,100 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:55,173 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:55,174 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:55,250 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:55,251 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:55,328 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:55,329 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:55,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:55,412 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:55,493 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:55,493 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:55,574 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:55,577 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:55,653 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:55,656 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:55,737 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:55,740 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:55,821 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:55,822 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:55,910 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:55,911 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:55,996 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:55,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:56,089 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:56,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:56,190 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:16:56,190 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:16:56,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:56,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:56,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1834 backedges. 0 proven. 1825 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:16:56,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603681565] [2021-02-24 00:16:56,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:16:56,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2021-02-24 00:16:56,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995173111] [2021-02-24 00:16:56,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-02-24 00:16:56,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:56,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-02-24 00:16:56,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=787, Invalid=2405, Unknown=0, NotChecked=0, Total=3192 [2021-02-24 00:16:56,466 INFO L87 Difference]: Start difference. First operand 208 states and 213 transitions. Second operand 57 states. [2021-02-24 00:17:01,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:17:01,086 INFO L93 Difference]: Finished difference Result 255 states and 265 transitions. [2021-02-24 00:17:01,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-02-24 00:17:01,087 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 197 [2021-02-24 00:17:01,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:17:01,089 INFO L225 Difference]: With dead ends: 255 [2021-02-24 00:17:01,089 INFO L226 Difference]: Without dead ends: 218 [2021-02-24 00:17:01,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2178 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=3635, Invalid=8575, Unknown=0, NotChecked=0, Total=12210 [2021-02-24 00:17:01,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-02-24 00:17:01,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2021-02-24 00:17:01,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2021-02-24 00:17:01,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 219 transitions. [2021-02-24 00:17:01,128 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 219 transitions. Word has length 197 [2021-02-24 00:17:01,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:17:01,129 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 219 transitions. [2021-02-24 00:17:01,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 57 states. [2021-02-24 00:17:01,129 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 219 transitions. [2021-02-24 00:17:01,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-02-24 00:17:01,130 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:17:01,130 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 26, 26, 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] [2021-02-24 00:17:01,131 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-02-24 00:17:01,131 INFO L428 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:17:01,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:17:01,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1109310904, now seen corresponding path program 26 times [2021-02-24 00:17:01,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:17:01,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177676541] [2021-02-24 00:17:01,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:17:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:01,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:01,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:01,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:01,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:01,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:17:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:01,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:01,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:01,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:17:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:01,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:01,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:01,351 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:17:01,352 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:17:01,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,362 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,380 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,381 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,401 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,402 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,424 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,425 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,447 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,448 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,471 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,472 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,496 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,497 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,522 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,523 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,549 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,550 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,585 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,586 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,622 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,623 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,661 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,663 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,700 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,701 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,742 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,743 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,784 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,784 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,835 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,836 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,879 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,880 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,924 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:01,967 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:01,968 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,013 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,014 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,059 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,060 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,171 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,172 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,226 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,283 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,284 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,343 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,343 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,403 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,404 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,464 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,464 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,526 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,527 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,591 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,594 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,657 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,658 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,725 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,726 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,793 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,793 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,863 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,864 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:02,936 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:02,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:03,010 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:03,011 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:03,086 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:03,087 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:03,166 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:03,168 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:03,248 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:03,249 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:03,328 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:03,329 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:03,407 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:03,408 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:03,491 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:03,492 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:03,574 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:03,575 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:03,660 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:03,661 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:03,747 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:03,748 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:03,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:03,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:03,924 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:03,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:04,014 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:04,015 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:04,118 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:04,118 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:04,210 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:04,211 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:04,306 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:04,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:04,403 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:04,403 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:04,507 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:04,508 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:04,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:04,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:17:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 0 proven. 1976 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:17:04,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177676541] [2021-02-24 00:17:04,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:17:04,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2021-02-24 00:17:04,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471186845] [2021-02-24 00:17:04,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-02-24 00:17:04,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:17:04,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-02-24 00:17:04,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=844, Invalid=2578, Unknown=0, NotChecked=0, Total=3422 [2021-02-24 00:17:04,818 INFO L87 Difference]: Start difference. First operand 214 states and 219 transitions. Second operand 59 states. [2021-02-24 00:17:10,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:17:10,456 INFO L93 Difference]: Finished difference Result 261 states and 271 transitions. [2021-02-24 00:17:10,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-02-24 00:17:10,457 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 203 [2021-02-24 00:17:10,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:17:10,458 INFO L225 Difference]: With dead ends: 261 [2021-02-24 00:17:10,459 INFO L226 Difference]: Without dead ends: 224 [2021-02-24 00:17:10,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2343 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=3909, Invalid=9201, Unknown=0, NotChecked=0, Total=13110 [2021-02-24 00:17:10,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-02-24 00:17:10,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 220. [2021-02-24 00:17:10,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2021-02-24 00:17:10,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 225 transitions. [2021-02-24 00:17:10,490 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 225 transitions. Word has length 203 [2021-02-24 00:17:10,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:17:10,491 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 225 transitions. [2021-02-24 00:17:10,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 59 states. [2021-02-24 00:17:10,491 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 225 transitions. [2021-02-24 00:17:10,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-02-24 00:17:10,492 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:17:10,492 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 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] [2021-02-24 00:17:10,492 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-02-24 00:17:10,493 INFO L428 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:17:10,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:17:10,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1478355868, now seen corresponding path program 27 times [2021-02-24 00:17:10,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:17:10,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856191887] [2021-02-24 00:17:10,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:17:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:10,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:10,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:10,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:10,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:10,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:17:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:10,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:10,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:10,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:17:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:10,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:10,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:10,748 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:17:10,748 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:17:10,759 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:10,760 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:10,779 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:10,780 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:10,802 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:10,802 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:10,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:10,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:10,849 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:10,850 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:10,876 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:10,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:10,904 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:10,905 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:10,935 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:10,935 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:10,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:10,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,004 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,036 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,070 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,071 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,106 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,189 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,190 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,235 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,236 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,281 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,282 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,329 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,330 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,378 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,382 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,428 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,429 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,481 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,482 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,535 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,536 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,590 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,591 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,648 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,649 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,707 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,708 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,769 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,770 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,830 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,831 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,894 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,895 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:11,959 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:11,960 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:12,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:12,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:12,086 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:12,087 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:12,153 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:12,154 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:12,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:12,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:12,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:12,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:12,378 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:12,379 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:12,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:12,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:12,527 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:12,528 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:12,605 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:12,606 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:12,683 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:12,684 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:12,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:12,766 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:12,845 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:12,846 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:12,929 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:12,930 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:13,014 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:13,015 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:13,100 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:13,101 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:13,185 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:13,186 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:13,275 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:13,275 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:13,364 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:13,365 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:13,456 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:13,457 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:13,551 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:13,551 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:13,647 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:13,648 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:13,745 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:13,746 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:13,843 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:13,844 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:13,944 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:13,945 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:14,046 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:14,047 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:14,149 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:14,150 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:14,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:14,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:17:14,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2142 backedges. 0 proven. 2133 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:17:14,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856191887] [2021-02-24 00:17:14,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:17:14,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2021-02-24 00:17:14,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459858107] [2021-02-24 00:17:14,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-02-24 00:17:14,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:17:14,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-02-24 00:17:14,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=2757, Unknown=0, NotChecked=0, Total=3660 [2021-02-24 00:17:14,502 INFO L87 Difference]: Start difference. First operand 220 states and 225 transitions. Second operand 61 states. [2021-02-24 00:17:20,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:17:20,040 INFO L93 Difference]: Finished difference Result 267 states and 277 transitions. [2021-02-24 00:17:20,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-02-24 00:17:20,041 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 209 [2021-02-24 00:17:20,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:17:20,043 INFO L225 Difference]: With dead ends: 267 [2021-02-24 00:17:20,043 INFO L226 Difference]: Without dead ends: 230 [2021-02-24 00:17:20,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2514 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=4193, Invalid=9849, Unknown=0, NotChecked=0, Total=14042 [2021-02-24 00:17:20,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-02-24 00:17:20,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 226. [2021-02-24 00:17:20,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2021-02-24 00:17:20,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 231 transitions. [2021-02-24 00:17:20,093 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 231 transitions. Word has length 209 [2021-02-24 00:17:20,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:17:20,093 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 231 transitions. [2021-02-24 00:17:20,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 61 states. [2021-02-24 00:17:20,094 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 231 transitions. [2021-02-24 00:17:20,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-02-24 00:17:20,095 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:17:20,095 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 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] [2021-02-24 00:17:20,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-02-24 00:17:20,096 INFO L428 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:17:20,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:17:20,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1213472384, now seen corresponding path program 28 times [2021-02-24 00:17:20,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:17:20,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954183455] [2021-02-24 00:17:20,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:17:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:20,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:20,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:20,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:20,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:20,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:17:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:20,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:20,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:20,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:17:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:20,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:20,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:20,359 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:17:20,359 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:17:20,371 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,372 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,391 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,392 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,414 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,415 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,436 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,437 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,482 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,511 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,512 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,570 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,571 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,601 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,602 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,635 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,636 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,675 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,676 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,716 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,716 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,757 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,800 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,800 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,844 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,845 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,894 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,894 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,943 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,944 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:20,991 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:20,992 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,042 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,043 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,094 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,163 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,218 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,219 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,275 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,276 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,333 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,334 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,393 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,394 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,455 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,456 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,518 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,518 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,578 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,579 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,634 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,637 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,697 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,697 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,758 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,819 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,820 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,891 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,893 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:21,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:21,964 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:22,041 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:22,042 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:22,119 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:22,120 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:22,199 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:22,203 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:22,278 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:22,279 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:22,357 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:22,358 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:22,438 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:22,439 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:22,530 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:22,531 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:22,614 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:22,615 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:22,700 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:22,701 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:22,787 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:22,788 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:22,876 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:22,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:22,967 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:22,968 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:23,062 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:23,063 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:23,156 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:23,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:23,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:23,258 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:23,352 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:23,353 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:23,450 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:23,450 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:23,552 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:23,554 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:23,650 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:23,650 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:23,753 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:23,754 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:23,859 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:23,860 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:23,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:23,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:24,075 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:24,076 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:24,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:24,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:17:24,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2305 backedges. 0 proven. 2296 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:17:24,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954183455] [2021-02-24 00:17:24,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:17:24,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2021-02-24 00:17:24,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635179991] [2021-02-24 00:17:24,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-02-24 00:17:24,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:17:24,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-02-24 00:17:24,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=964, Invalid=2942, Unknown=0, NotChecked=0, Total=3906 [2021-02-24 00:17:24,422 INFO L87 Difference]: Start difference. First operand 226 states and 231 transitions. Second operand 63 states. [2021-02-24 00:17:30,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:17:30,400 INFO L93 Difference]: Finished difference Result 273 states and 283 transitions. [2021-02-24 00:17:30,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-02-24 00:17:30,401 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 215 [2021-02-24 00:17:30,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:17:30,404 INFO L225 Difference]: With dead ends: 273 [2021-02-24 00:17:30,404 INFO L226 Difference]: Without dead ends: 236 [2021-02-24 00:17:30,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2691 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=4487, Invalid=10519, Unknown=0, NotChecked=0, Total=15006 [2021-02-24 00:17:30,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-02-24 00:17:30,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 232. [2021-02-24 00:17:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2021-02-24 00:17:30,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 237 transitions. [2021-02-24 00:17:30,465 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 237 transitions. Word has length 215 [2021-02-24 00:17:30,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:17:30,465 INFO L480 AbstractCegarLoop]: Abstraction has 232 states and 237 transitions. [2021-02-24 00:17:30,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 63 states. [2021-02-24 00:17:30,465 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 237 transitions. [2021-02-24 00:17:30,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-02-24 00:17:30,467 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:17:30,467 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 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] [2021-02-24 00:17:30,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-02-24 00:17:30,468 INFO L428 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:17:30,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:17:30,468 INFO L82 PathProgramCache]: Analyzing trace with hash 861301148, now seen corresponding path program 29 times [2021-02-24 00:17:30,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:17:30,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061183108] [2021-02-24 00:17:30,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:17:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:30,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:30,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:30,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:30,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:30,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:17:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:30,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:30,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:30,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:17:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:30,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:30,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:30,775 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:17:30,776 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:17:30,786 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:30,787 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:30,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:30,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:30,836 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:30,837 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:30,867 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:30,868 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:30,897 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:30,898 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:30,930 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:30,931 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:30,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:30,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,000 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,001 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,036 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,071 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,072 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,107 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,142 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,176 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,177 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,215 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,215 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,256 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,257 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,296 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,296 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,337 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,337 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,381 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,382 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,432 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,433 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,474 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,475 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,521 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,568 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,569 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,619 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,620 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,669 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,670 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,718 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,719 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,776 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,777 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,834 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,898 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,899 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:31,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:31,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:32,031 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:32,032 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:32,099 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:32,100 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:32,169 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:32,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:32,241 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:32,241 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:32,316 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:32,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:32,384 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:32,385 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:32,461 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:32,462 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:32,554 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:32,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:32,631 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:32,632 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:32,714 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:32,715 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:32,795 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:32,797 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:32,877 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:32,878 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:32,955 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:32,956 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:33,040 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:33,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:33,128 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:33,129 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:33,217 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:33,218 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:33,306 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:33,307 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:33,392 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:33,393 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:33,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:33,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:33,567 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:33,567 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:33,656 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:33,656 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:33,750 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:33,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:33,856 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:33,857 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:33,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:33,959 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:34,061 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:34,061 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:34,165 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:34,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:34,267 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:34,268 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:34,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:34,375 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:34,491 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:34,492 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:34,615 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:34,616 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:34,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:34,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:17:34,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2474 backedges. 0 proven. 2465 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:17:34,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061183108] [2021-02-24 00:17:34,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:17:34,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2021-02-24 00:17:34,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760963601] [2021-02-24 00:17:34,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-02-24 00:17:34,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:17:34,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-02-24 00:17:34,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1027, Invalid=3133, Unknown=0, NotChecked=0, Total=4160 [2021-02-24 00:17:34,971 INFO L87 Difference]: Start difference. First operand 232 states and 237 transitions. Second operand 65 states. [2021-02-24 00:17:40,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:17:40,829 INFO L93 Difference]: Finished difference Result 279 states and 289 transitions. [2021-02-24 00:17:40,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-02-24 00:17:40,830 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 221 [2021-02-24 00:17:40,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:17:40,834 INFO L225 Difference]: With dead ends: 279 [2021-02-24 00:17:40,834 INFO L226 Difference]: Without dead ends: 242 [2021-02-24 00:17:40,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2874 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=4791, Invalid=11211, Unknown=0, NotChecked=0, Total=16002 [2021-02-24 00:17:40,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-02-24 00:17:40,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 238. [2021-02-24 00:17:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2021-02-24 00:17:40,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 243 transitions. [2021-02-24 00:17:40,881 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 243 transitions. Word has length 221 [2021-02-24 00:17:40,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:17:40,882 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 243 transitions. [2021-02-24 00:17:40,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 65 states. [2021-02-24 00:17:40,882 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 243 transitions. [2021-02-24 00:17:40,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-02-24 00:17:40,883 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:17:40,883 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 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] [2021-02-24 00:17:40,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-02-24 00:17:40,884 INFO L428 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:17:40,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:17:40,884 INFO L82 PathProgramCache]: Analyzing trace with hash -534156104, now seen corresponding path program 30 times [2021-02-24 00:17:40,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:17:40,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1141057134] [2021-02-24 00:17:40,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:17:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:40,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:40,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:40,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:40,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:41,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:17:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:41,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:41,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:41,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:17:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:41,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:41,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:41,171 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:17:41,172 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:17:41,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,181 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,199 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,200 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,222 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,245 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,246 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,271 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,272 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,298 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,299 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,328 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,329 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,358 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,359 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,388 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,388 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,421 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,487 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,487 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,520 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,520 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,555 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,596 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,597 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,639 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,682 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,683 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,732 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,733 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,783 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,784 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,836 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,837 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,887 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,887 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,938 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,939 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:41,992 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:41,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:42,047 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:42,049 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:42,101 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:42,102 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:42,157 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:42,158 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:42,230 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:42,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:42,290 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:42,291 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:42,350 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:42,350 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:42,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:42,412 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:42,474 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:42,475 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:42,544 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:42,545 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:42,618 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:42,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:42,692 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:42,693 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:42,768 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:42,769 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:42,838 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:42,839 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:42,910 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:42,910 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:42,987 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:42,988 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:43,070 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:43,071 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:43,152 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:43,153 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:43,228 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:43,229 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:43,308 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:43,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:43,388 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:43,389 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:43,470 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:43,471 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:43,553 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:43,554 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:43,637 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:43,638 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:43,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:43,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:43,810 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:43,811 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:43,904 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:43,905 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:44,004 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:44,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:44,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:44,106 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:44,201 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:44,202 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:44,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:44,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:44,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:44,400 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:44,495 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:44,496 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:44,592 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:44,593 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:44,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:44,691 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:44,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:44,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:44,893 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:44,894 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:44,996 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:44,996 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:45,089 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:45,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:45,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:45,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:17:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 0 proven. 2640 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:17:45,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1141057134] [2021-02-24 00:17:45,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:17:45,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2021-02-24 00:17:45,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596507977] [2021-02-24 00:17:45,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-02-24 00:17:45,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:17:45,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-02-24 00:17:45,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1092, Invalid=3330, Unknown=0, NotChecked=0, Total=4422 [2021-02-24 00:17:45,461 INFO L87 Difference]: Start difference. First operand 238 states and 243 transitions. Second operand 67 states. [2021-02-24 00:17:51,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:17:51,747 INFO L93 Difference]: Finished difference Result 285 states and 295 transitions. [2021-02-24 00:17:51,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-02-24 00:17:51,748 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 227 [2021-02-24 00:17:51,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:17:51,751 INFO L225 Difference]: With dead ends: 285 [2021-02-24 00:17:51,751 INFO L226 Difference]: Without dead ends: 248 [2021-02-24 00:17:51,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3063 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=5105, Invalid=11925, Unknown=0, NotChecked=0, Total=17030 [2021-02-24 00:17:51,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-02-24 00:17:51,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 244. [2021-02-24 00:17:51,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2021-02-24 00:17:51,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 249 transitions. [2021-02-24 00:17:51,807 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 249 transitions. Word has length 227 [2021-02-24 00:17:51,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:17:51,807 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 249 transitions. [2021-02-24 00:17:51,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 67 states. [2021-02-24 00:17:51,808 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 249 transitions. [2021-02-24 00:17:51,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-02-24 00:17:51,809 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:17:51,809 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 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] [2021-02-24 00:17:51,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-02-24 00:17:51,810 INFO L428 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:17:51,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:17:51,810 INFO L82 PathProgramCache]: Analyzing trace with hash -560157996, now seen corresponding path program 31 times [2021-02-24 00:17:51,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:17:51,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47325940] [2021-02-24 00:17:51,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:17:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:51,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:51,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:51,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:51,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:51,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:17:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:51,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:51,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:51,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:17:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:17:52,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:52,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:17:52,128 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:17:52,128 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:17:52,138 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,139 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,158 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,158 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,181 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,205 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,231 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,259 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,259 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,286 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,287 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,348 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,414 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,415 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,449 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,450 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,483 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,517 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,518 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,556 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,557 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,604 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,605 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,654 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,700 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,701 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,748 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,748 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,796 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,796 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,845 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,846 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,897 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,898 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:52,950 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:52,951 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:53,005 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:53,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:53,060 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:53,061 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:53,117 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:53,118 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:53,175 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:53,176 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:53,229 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:53,230 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:53,292 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:53,293 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:53,354 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:53,354 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:53,420 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:53,421 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:53,493 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:53,494 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:53,568 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:53,568 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:53,658 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:53,659 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:53,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:53,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:53,803 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:53,803 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:53,874 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:53,875 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:53,948 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:53,949 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:54,025 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:54,025 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:54,101 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:54,102 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:54,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:54,183 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:54,257 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:54,258 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:54,336 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:54,337 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:54,417 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:54,417 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:54,499 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:54,500 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:54,582 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:54,583 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:54,668 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:54,668 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:54,754 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:54,754 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:54,846 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:54,847 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:54,948 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:54,948 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:55,048 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:55,051 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:55,151 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:55,152 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:55,245 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:55,246 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:55,341 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:55,342 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:55,437 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:55,438 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:55,535 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:55,536 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:55,649 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:55,650 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:55,752 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:55,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:55,845 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:55,846 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:55,950 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:55,951 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:56,056 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:56,057 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:56,163 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:56,164 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:56,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:17:56,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:17:56,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:17:56,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:17:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2830 backedges. 0 proven. 2821 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:17:56,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [47325940] [2021-02-24 00:17:56,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:17:56,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2021-02-24 00:17:56,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597674960] [2021-02-24 00:17:56,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-02-24 00:17:56,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:17:56,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-02-24 00:17:56,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1159, Invalid=3533, Unknown=0, NotChecked=0, Total=4692 [2021-02-24 00:17:56,654 INFO L87 Difference]: Start difference. First operand 244 states and 249 transitions. Second operand 69 states. [2021-02-24 00:18:03,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:18:03,403 INFO L93 Difference]: Finished difference Result 291 states and 301 transitions. [2021-02-24 00:18:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-02-24 00:18:03,404 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 233 [2021-02-24 00:18:03,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:18:03,406 INFO L225 Difference]: With dead ends: 291 [2021-02-24 00:18:03,406 INFO L226 Difference]: Without dead ends: 254 [2021-02-24 00:18:03,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3258 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=5429, Invalid=12661, Unknown=0, NotChecked=0, Total=18090 [2021-02-24 00:18:03,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-02-24 00:18:03,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 250. [2021-02-24 00:18:03,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-02-24 00:18:03,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 255 transitions. [2021-02-24 00:18:03,457 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 255 transitions. Word has length 233 [2021-02-24 00:18:03,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:18:03,457 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 255 transitions. [2021-02-24 00:18:03,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 69 states. [2021-02-24 00:18:03,457 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 255 transitions. [2021-02-24 00:18:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-24 00:18:03,458 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:18:03,459 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 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] [2021-02-24 00:18:03,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-02-24 00:18:03,459 INFO L428 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:18:03,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:18:03,459 INFO L82 PathProgramCache]: Analyzing trace with hash -2041060368, now seen corresponding path program 32 times [2021-02-24 00:18:03,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:18:03,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253517183] [2021-02-24 00:18:03,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:18:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:18:03,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:03,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:03,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:03,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:03,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:18:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:18:03,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:03,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:03,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:18:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:18:03,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:03,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:03,730 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:18:03,730 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:18:03,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:03,741 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:03,762 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:03,763 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:03,787 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:03,788 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:03,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:03,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:03,840 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:03,841 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:03,870 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:03,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:03,901 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:03,902 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:03,933 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:03,934 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:03,969 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:03,970 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,010 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,011 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,045 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,046 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,080 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,117 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,118 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,154 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,155 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,196 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,197 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,238 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,239 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,287 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,288 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,336 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,337 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,389 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,390 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,445 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,446 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,497 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,498 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,550 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,551 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,604 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,605 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,660 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,661 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,717 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,718 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,776 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,777 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,836 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,837 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,897 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,898 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:04,975 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:04,976 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:05,039 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:05,040 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:05,104 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:05,105 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:05,171 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:05,172 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:05,239 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:05,240 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:05,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:05,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:05,378 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:05,379 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:05,448 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:05,449 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:05,521 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:05,522 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:05,595 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:05,595 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:05,668 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:05,668 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:05,746 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:05,747 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:05,829 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:05,830 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:05,917 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:05,918 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:06,007 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:06,008 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:06,090 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:06,091 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:06,175 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:06,176 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:06,265 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:06,266 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:06,356 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:06,357 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:06,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:06,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:06,536 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:06,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:06,628 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:06,629 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:06,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:06,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:06,817 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:06,818 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:06,914 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:06,915 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:07,026 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:07,026 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:07,125 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:07,126 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:07,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:07,226 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:07,327 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:07,328 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:07,432 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:07,433 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:07,536 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:07,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:07,643 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:07,644 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:07,751 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:07,752 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:07,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:07,862 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:07,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:07,973 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:08,083 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:08,084 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:08,196 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:08,196 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:08,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:08,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:18:08,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3017 backedges. 0 proven. 3008 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:18:08,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253517183] [2021-02-24 00:18:08,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:18:08,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2021-02-24 00:18:08,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932498979] [2021-02-24 00:18:08,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-02-24 00:18:08,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:18:08,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-02-24 00:18:08,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1228, Invalid=3742, Unknown=0, NotChecked=0, Total=4970 [2021-02-24 00:18:08,596 INFO L87 Difference]: Start difference. First operand 250 states and 255 transitions. Second operand 71 states. [2021-02-24 00:18:15,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:18:15,914 INFO L93 Difference]: Finished difference Result 297 states and 307 transitions. [2021-02-24 00:18:15,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-02-24 00:18:15,915 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 239 [2021-02-24 00:18:15,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:18:15,917 INFO L225 Difference]: With dead ends: 297 [2021-02-24 00:18:15,918 INFO L226 Difference]: Without dead ends: 260 [2021-02-24 00:18:15,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3459 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=5763, Invalid=13419, Unknown=0, NotChecked=0, Total=19182 [2021-02-24 00:18:15,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-02-24 00:18:15,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 256. [2021-02-24 00:18:15,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2021-02-24 00:18:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 261 transitions. [2021-02-24 00:18:15,970 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 261 transitions. Word has length 239 [2021-02-24 00:18:15,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:18:15,970 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 261 transitions. [2021-02-24 00:18:15,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 71 states. [2021-02-24 00:18:15,971 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 261 transitions. [2021-02-24 00:18:15,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-02-24 00:18:15,972 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:18:15,972 INFO L422 BasicCegarLoop]: trace histogram [33, 33, 33, 33, 33, 33, 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] [2021-02-24 00:18:15,973 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-02-24 00:18:15,973 INFO L428 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:18:15,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:18:15,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1110628364, now seen corresponding path program 33 times [2021-02-24 00:18:15,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:18:15,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [457709769] [2021-02-24 00:18:15,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:18:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:18:16,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:16,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:16,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:16,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:16,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:18:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:18:16,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:16,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:16,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:18:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:18:16,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:16,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:16,249 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:18:16,250 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:18:16,264 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,265 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,293 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,293 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,322 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,323 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,355 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,356 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,389 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,390 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,444 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,445 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,476 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,477 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,510 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,510 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,544 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,545 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,578 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,579 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,613 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,614 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,650 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,651 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,690 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,691 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,731 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,732 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,771 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,772 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,815 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,816 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,858 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,903 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,904 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:16,953 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:16,954 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,006 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,007 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,057 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,058 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,111 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,112 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,165 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,222 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,281 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,282 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,342 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,342 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,402 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,403 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,465 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,465 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,530 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,531 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,597 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,598 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,665 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,666 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,734 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,735 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,807 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,808 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,889 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,890 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:17,971 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:17,978 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:18,056 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:18,057 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:18,135 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:18,136 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:18,214 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:18,215 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:18,298 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:18,299 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:18,381 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:18,382 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:18,489 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:18,490 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:18,585 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:18,586 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:18,673 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:18,674 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:18,762 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:18,763 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:18,849 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:18,850 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:18,943 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:18,944 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:19,034 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:19,035 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:19,129 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:19,130 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:19,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:19,226 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:19,330 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:19,331 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:19,428 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:19,429 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:19,530 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:19,532 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:19,631 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:19,632 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:19,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:19,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:19,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:19,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:19,945 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:19,946 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:20,052 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:20,053 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:20,160 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:20,160 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:20,269 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:20,270 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:20,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:20,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:20,492 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:20,493 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:20,622 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:20,623 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:20,736 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:20,736 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:20,856 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:20,856 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:20,970 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:20,971 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:21,089 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:21,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:21,210 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:21,211 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:21,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:21,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:18:21,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3210 backedges. 0 proven. 3201 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:18:21,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [457709769] [2021-02-24 00:18:21,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:18:21,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2021-02-24 00:18:21,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688639804] [2021-02-24 00:18:21,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-02-24 00:18:21,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:18:21,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-02-24 00:18:21,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1299, Invalid=3957, Unknown=0, NotChecked=0, Total=5256 [2021-02-24 00:18:21,618 INFO L87 Difference]: Start difference. First operand 256 states and 261 transitions. Second operand 73 states. [2021-02-24 00:18:29,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:18:29,447 INFO L93 Difference]: Finished difference Result 303 states and 313 transitions. [2021-02-24 00:18:29,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-02-24 00:18:29,448 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 245 [2021-02-24 00:18:29,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:18:29,450 INFO L225 Difference]: With dead ends: 303 [2021-02-24 00:18:29,450 INFO L226 Difference]: Without dead ends: 266 [2021-02-24 00:18:29,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3666 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=6107, Invalid=14199, Unknown=0, NotChecked=0, Total=20306 [2021-02-24 00:18:29,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-02-24 00:18:29,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 262. [2021-02-24 00:18:29,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2021-02-24 00:18:29,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 267 transitions. [2021-02-24 00:18:29,506 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 267 transitions. Word has length 245 [2021-02-24 00:18:29,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:18:29,506 INFO L480 AbstractCegarLoop]: Abstraction has 262 states and 267 transitions. [2021-02-24 00:18:29,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 73 states. [2021-02-24 00:18:29,507 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 267 transitions. [2021-02-24 00:18:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-02-24 00:18:29,508 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:18:29,509 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 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] [2021-02-24 00:18:29,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-02-24 00:18:29,509 INFO L428 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:18:29,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:18:29,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1815430952, now seen corresponding path program 34 times [2021-02-24 00:18:29,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:18:29,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49630435] [2021-02-24 00:18:29,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:18:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:18:29,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:29,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:29,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:29,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:29,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:18:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:18:29,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:29,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:29,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:18:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:18:29,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:29,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:29,810 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:18:29,811 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:18:29,823 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:29,824 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:29,846 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:29,847 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:29,871 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:29,872 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:29,901 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:29,902 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:29,937 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:29,938 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:29,968 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:29,969 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,000 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,001 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,035 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,036 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,072 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,073 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,109 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,139 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,179 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,180 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,221 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,222 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,261 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,262 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,311 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,312 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,362 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,409 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,410 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,461 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,462 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,511 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,512 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,559 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,560 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,612 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,612 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,666 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,775 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,776 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,833 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,834 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,896 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,897 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:30,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:30,959 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:31,023 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:31,024 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:31,090 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:31,091 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:31,156 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:31,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:31,224 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:31,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:31,298 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:31,299 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:31,371 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:31,372 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:31,442 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:31,443 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:31,520 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:31,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:31,596 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:31,597 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:31,673 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:31,674 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:31,752 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:31,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:31,832 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:31,833 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:31,914 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:31,915 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:31,998 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:31,999 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:32,083 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:32,084 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:32,169 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:32,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:32,271 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:32,272 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:32,360 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:32,360 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:32,450 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:32,451 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:32,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:32,542 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:32,632 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:32,633 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:32,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:32,727 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:32,821 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:32,822 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:32,920 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:32,921 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:33,019 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:33,020 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:33,122 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:33,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:33,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:33,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:33,329 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:33,330 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:33,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:33,435 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:33,546 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:33,547 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:33,653 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:33,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:33,762 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:33,763 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:33,874 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:33,875 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:33,988 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:33,989 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:34,102 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:34,103 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:34,217 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:34,218 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:34,349 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:34,350 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:34,470 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:34,471 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:34,606 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:34,607 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:34,749 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:34,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:34,892 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:34,893 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:35,031 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:35,033 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:35,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:35,162 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:35,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:35,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:18:35,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3409 backedges. 0 proven. 3400 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:18:35,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49630435] [2021-02-24 00:18:35,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:18:35,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2021-02-24 00:18:35,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918810117] [2021-02-24 00:18:35,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-02-24 00:18:35,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:18:35,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-02-24 00:18:35,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1372, Invalid=4178, Unknown=0, NotChecked=0, Total=5550 [2021-02-24 00:18:35,594 INFO L87 Difference]: Start difference. First operand 262 states and 267 transitions. Second operand 75 states. [2021-02-24 00:18:44,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:18:44,540 INFO L93 Difference]: Finished difference Result 309 states and 319 transitions. [2021-02-24 00:18:44,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-02-24 00:18:44,541 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 251 [2021-02-24 00:18:44,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:18:44,543 INFO L225 Difference]: With dead ends: 309 [2021-02-24 00:18:44,543 INFO L226 Difference]: Without dead ends: 272 [2021-02-24 00:18:44,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3879 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=6461, Invalid=15001, Unknown=0, NotChecked=0, Total=21462 [2021-02-24 00:18:44,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-02-24 00:18:44,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 268. [2021-02-24 00:18:44,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2021-02-24 00:18:44,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 273 transitions. [2021-02-24 00:18:44,587 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 273 transitions. Word has length 251 [2021-02-24 00:18:44,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:18:44,588 INFO L480 AbstractCegarLoop]: Abstraction has 268 states and 273 transitions. [2021-02-24 00:18:44,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 75 states. [2021-02-24 00:18:44,588 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 273 transitions. [2021-02-24 00:18:44,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-02-24 00:18:44,590 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:18:44,590 INFO L422 BasicCegarLoop]: trace histogram [35, 35, 35, 35, 35, 35, 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] [2021-02-24 00:18:44,590 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-02-24 00:18:44,590 INFO L428 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:18:44,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:18:44,591 INFO L82 PathProgramCache]: Analyzing trace with hash 697758020, now seen corresponding path program 35 times [2021-02-24 00:18:44,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:18:44,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796579730] [2021-02-24 00:18:44,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:18:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:18:44,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:44,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:44,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:44,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:44,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:18:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:18:44,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:44,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:44,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:18:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:18:44,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:44,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:18:44,878 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:18:44,879 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:18:44,891 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:44,892 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:44,914 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:44,915 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:44,942 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:44,943 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:44,971 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:44,972 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:44,999 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,000 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,033 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,034 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,068 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,069 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,106 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,141 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,142 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,180 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,181 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,262 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,263 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,353 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,354 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,405 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,406 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,454 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,455 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,505 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,506 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,611 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,612 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,667 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,668 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,781 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,782 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,839 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,840 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,901 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:45,962 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:45,963 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:46,027 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:46,028 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:46,092 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:46,093 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:46,160 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:46,161 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:46,234 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:46,235 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:46,329 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:46,330 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:46,402 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:46,403 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:46,477 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:46,478 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:46,554 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:46,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:46,632 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:46,633 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:46,713 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:46,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:46,795 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:46,796 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:46,879 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:46,880 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:46,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:46,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:47,049 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:47,052 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:47,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:47,140 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:47,229 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:47,230 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:47,323 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:47,324 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:47,416 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:47,417 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:47,512 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:47,513 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:47,609 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:47,610 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:47,713 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:47,714 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:47,832 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:47,833 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:47,943 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:47,944 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:48,048 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:48,049 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:48,171 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:48,172 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:48,291 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:48,292 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:48,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:48,400 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:48,508 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:48,509 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:48,633 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:48,634 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:48,745 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:48,746 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:48,859 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:48,860 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:48,976 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:48,977 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:49,094 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:49,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:49,213 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:49,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:49,334 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:49,334 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:49,456 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:49,457 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:49,577 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:49,577 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:49,698 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:49,699 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:49,823 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:49,824 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:49,949 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:49,950 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:50,078 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:50,079 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:50,206 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:50,207 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:50,338 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:50,339 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:50,482 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:50,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:50,618 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:50,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:50,754 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:18:50,755 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:18:50,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:18:50,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:18:51,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3614 backedges. 0 proven. 3605 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:18:51,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796579730] [2021-02-24 00:18:51,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:18:51,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2021-02-24 00:18:51,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174178692] [2021-02-24 00:18:51,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-02-24 00:18:51,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:18:51,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-02-24 00:18:51,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1447, Invalid=4405, Unknown=0, NotChecked=0, Total=5852 [2021-02-24 00:18:51,228 INFO L87 Difference]: Start difference. First operand 268 states and 273 transitions. Second operand 77 states. [2021-02-24 00:19:00,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:19:00,481 INFO L93 Difference]: Finished difference Result 315 states and 325 transitions. [2021-02-24 00:19:00,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-02-24 00:19:00,483 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 257 [2021-02-24 00:19:00,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:19:00,485 INFO L225 Difference]: With dead ends: 315 [2021-02-24 00:19:00,485 INFO L226 Difference]: Without dead ends: 278 [2021-02-24 00:19:00,486 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4098 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=6825, Invalid=15825, Unknown=0, NotChecked=0, Total=22650 [2021-02-24 00:19:00,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-02-24 00:19:00,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 274. [2021-02-24 00:19:00,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2021-02-24 00:19:00,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 279 transitions. [2021-02-24 00:19:00,535 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 279 transitions. Word has length 257 [2021-02-24 00:19:00,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:19:00,536 INFO L480 AbstractCegarLoop]: Abstraction has 274 states and 279 transitions. [2021-02-24 00:19:00,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has 77 states. [2021-02-24 00:19:00,536 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 279 transitions. [2021-02-24 00:19:00,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-02-24 00:19:00,537 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:19:00,537 INFO L422 BasicCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 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] [2021-02-24 00:19:00,537 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-02-24 00:19:00,537 INFO L428 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:19:00,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:19:00,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1186960992, now seen corresponding path program 36 times [2021-02-24 00:19:00,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:19:00,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074448076] [2021-02-24 00:19:00,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:19:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:19:00,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:19:00,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:19:00,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:19:00,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:19:00,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:19:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:19:00,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:19:00,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:19:00,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:19:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:19:00,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:19:00,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:19:00,848 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:19:00,849 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:19:00,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:00,862 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:00,887 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:00,888 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:00,921 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:00,923 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:00,955 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:00,956 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:00,989 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:00,990 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,026 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,027 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,064 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,065 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,102 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,103 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,141 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,142 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,182 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,183 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,278 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,279 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,332 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,333 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,388 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,389 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,440 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,441 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,491 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,492 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,544 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,545 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,600 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,601 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,656 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,657 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,714 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,715 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,773 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,776 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,901 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:01,965 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:01,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:02,031 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:02,032 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:02,099 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:02,100 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:02,170 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:02,171 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:02,251 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:02,252 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:02,325 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:02,326 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:02,403 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:02,408 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:02,490 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:02,491 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:02,572 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:02,573 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:02,662 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:02,663 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:02,761 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:02,762 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:02,863 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:02,865 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:02,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:02,967 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:03,087 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:03,089 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:03,198 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:03,200 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:03,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:03,309 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:03,419 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:03,420 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:03,536 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:03,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:03,647 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:03,648 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:03,758 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:03,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:03,870 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:03,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:03,983 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:03,984 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:04,099 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:04,100 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:04,217 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:04,218 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:04,338 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:04,339 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:04,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:04,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:04,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:04,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:04,666 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:04,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:04,779 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:04,780 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:04,892 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:04,893 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:05,007 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:05,008 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:05,124 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:05,125 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:05,243 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:05,244 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:05,363 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:05,364 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:05,485 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:05,486 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:05,623 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:05,624 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:05,748 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:05,748 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:05,875 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:05,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:06,004 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:06,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:06,140 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:06,141 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:06,275 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:06,276 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:06,410 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:06,411 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:06,551 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:06,552 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:06,693 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:06,694 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:06,840 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:06,841 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:06,986 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:06,987 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:07,133 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:07,134 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:07,279 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:07,280 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:07,429 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:07,430 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:07,578 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:07,579 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:07,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:19:07,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:19:08,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3825 backedges. 0 proven. 3816 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:19:08,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074448076] [2021-02-24 00:19:08,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:19:08,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2021-02-24 00:19:08,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530521924] [2021-02-24 00:19:08,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-02-24 00:19:08,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:19:08,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-02-24 00:19:08,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1524, Invalid=4638, Unknown=0, NotChecked=0, Total=6162 [2021-02-24 00:19:08,083 INFO L87 Difference]: Start difference. First operand 274 states and 279 transitions. Second operand 79 states. [2021-02-24 00:19:18,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:19:18,437 INFO L93 Difference]: Finished difference Result 321 states and 331 transitions. [2021-02-24 00:19:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-02-24 00:19:18,438 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 263 [2021-02-24 00:19:18,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:19:18,440 INFO L225 Difference]: With dead ends: 321 [2021-02-24 00:19:18,440 INFO L226 Difference]: Without dead ends: 284 [2021-02-24 00:19:18,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4323 ImplicationChecksByTransitivity, 15.8s TimeCoverageRelationStatistics Valid=7199, Invalid=16671, Unknown=0, NotChecked=0, Total=23870 [2021-02-24 00:19:18,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-02-24 00:19:18,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 280. [2021-02-24 00:19:18,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2021-02-24 00:19:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 285 transitions. [2021-02-24 00:19:18,504 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 285 transitions. Word has length 263 [2021-02-24 00:19:18,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:19:18,504 INFO L480 AbstractCegarLoop]: Abstraction has 280 states and 285 transitions. [2021-02-24 00:19:18,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has 79 states. [2021-02-24 00:19:18,504 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 285 transitions. [2021-02-24 00:19:18,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-02-24 00:19:18,506 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:19:18,506 INFO L422 BasicCegarLoop]: trace histogram [37, 37, 37, 37, 37, 37, 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] [2021-02-24 00:19:18,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-02-24 00:19:18,506 INFO L428 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:19:18,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:19:18,507 INFO L82 PathProgramCache]: Analyzing trace with hash 323417724, now seen corresponding path program 37 times [2021-02-24 00:19:18,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:19:18,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [429446714] [2021-02-24 00:19:18,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:19:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:19:18,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:19:18,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:19:18,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:19:18,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:19:18,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:19:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:19:18,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:19:18,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:19:18,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:19:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:19:18,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:19:18,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:19:18,846 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:19:18,847 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:19:18,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:18,862 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:18,895 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:18,896 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:18,932 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:18,933 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:18,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:18,973 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,015 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,060 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,062 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,106 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,107 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,153 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,154 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,201 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,202 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,245 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,246 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,345 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,346 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,400 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,454 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,455 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,510 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,511 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,565 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,622 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,623 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,682 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,683 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,809 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,810 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,875 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:19,948 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:19,949 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:20,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:20,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:20,092 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:20,093 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:20,165 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:20,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:20,238 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:20,239 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:20,313 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:20,314 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:20,391 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:20,392 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:20,471 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:20,472 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:20,552 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:20,553 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:20,636 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:20,637 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:20,739 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:20,740 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:20,825 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:20,826 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:20,913 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:20,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:21,002 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:21,003 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:21,094 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:21,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:21,188 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:21,189 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:21,283 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:21,284 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:21,380 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:21,381 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:21,480 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:21,481 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:21,581 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:21,582 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:21,685 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:21,686 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:21,789 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:21,790 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:21,896 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:21,897 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:22,014 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:22,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:22,125 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:22,126 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:22,237 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:22,238 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:22,350 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:22,351 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:22,465 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:22,466 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:22,583 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:22,584 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:22,704 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:22,705 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:22,826 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:22,828 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:22,948 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:22,949 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:23,076 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:23,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:23,222 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:23,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:23,351 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:23,352 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:23,477 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:23,478 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:23,609 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:23,610 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:23,746 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:23,748 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:23,883 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:23,884 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:24,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:24,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:24,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:24,163 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:24,304 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:24,305 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:24,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:24,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:24,590 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:24,591 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:24,736 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:24,737 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:24,886 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:24,887 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:25,038 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:25,039 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:25,191 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:25,192 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:25,345 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:25,346 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:25,500 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:25,501 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:25,659 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:25,660 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:25,833 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:25,834 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:25,994 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:25,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:26,160 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:26,161 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:26,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:19:26,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:19:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4042 backedges. 0 proven. 4033 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:19:26,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [429446714] [2021-02-24 00:19:26,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:19:26,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2021-02-24 00:19:26,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823862832] [2021-02-24 00:19:26,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-02-24 00:19:26,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:19:26,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-02-24 00:19:26,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1603, Invalid=4877, Unknown=0, NotChecked=0, Total=6480 [2021-02-24 00:19:26,687 INFO L87 Difference]: Start difference. First operand 280 states and 285 transitions. Second operand 81 states. [2021-02-24 00:19:38,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:19:38,143 INFO L93 Difference]: Finished difference Result 327 states and 337 transitions. [2021-02-24 00:19:38,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-02-24 00:19:38,145 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 269 [2021-02-24 00:19:38,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:19:38,148 INFO L225 Difference]: With dead ends: 327 [2021-02-24 00:19:38,148 INFO L226 Difference]: Without dead ends: 290 [2021-02-24 00:19:38,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4554 ImplicationChecksByTransitivity, 17.4s TimeCoverageRelationStatistics Valid=7583, Invalid=17539, Unknown=0, NotChecked=0, Total=25122 [2021-02-24 00:19:38,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-02-24 00:19:38,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 286. [2021-02-24 00:19:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2021-02-24 00:19:38,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 291 transitions. [2021-02-24 00:19:38,214 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 291 transitions. Word has length 269 [2021-02-24 00:19:38,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:19:38,215 INFO L480 AbstractCegarLoop]: Abstraction has 286 states and 291 transitions. [2021-02-24 00:19:38,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 81 states. [2021-02-24 00:19:38,215 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 291 transitions. [2021-02-24 00:19:38,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-02-24 00:19:38,216 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:19:38,217 INFO L422 BasicCegarLoop]: trace histogram [38, 38, 38, 38, 38, 38, 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] [2021-02-24 00:19:38,217 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-02-24 00:19:38,217 INFO L428 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:19:38,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:19:38,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1039454616, now seen corresponding path program 38 times [2021-02-24 00:19:38,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:19:38,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934298396] [2021-02-24 00:19:38,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:19:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:19:38,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:19:38,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:19:38,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:19:38,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:19:38,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:19:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:19:38,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:19:38,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:19:38,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:19:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:19:38,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:19:38,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:19:38,538 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:19:38,539 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:19:38,554 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:38,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:38,593 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:38,594 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:38,635 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:38,636 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:38,681 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:38,682 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:38,729 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:38,730 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:38,781 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:38,783 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:38,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:38,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:38,890 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:38,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:38,939 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:38,941 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:39,030 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:39,031 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:39,078 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:39,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:39,133 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:39,134 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:39,189 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:39,190 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:39,249 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:39,250 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:39,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:39,311 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:39,368 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:39,369 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:39,429 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:39,430 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:39,491 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:39,492 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:39,555 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:39,556 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:39,622 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:39,623 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:39,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:39,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:39,763 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:39,764 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:39,836 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:39,837 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:39,913 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:39,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:40,000 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:40,001 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:40,089 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:40,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:40,190 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:40,191 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:40,282 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:40,284 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:40,384 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:40,385 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:40,482 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:40,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:40,578 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:40,579 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:40,674 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:40,675 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:40,777 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:40,778 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:40,875 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:40,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:40,971 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:40,972 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:41,068 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:41,070 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:41,167 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:41,168 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:41,269 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:41,270 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:41,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:41,375 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:41,480 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:41,481 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:41,588 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:41,589 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:41,697 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:41,698 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:41,822 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:41,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:41,934 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:41,935 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:42,049 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:42,050 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:42,167 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:42,168 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:42,284 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:42,285 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:42,405 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:42,405 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:42,527 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:42,528 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:42,653 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:42,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:42,777 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:42,778 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:42,906 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:42,907 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:43,036 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:43,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:43,173 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:43,175 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:43,311 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:43,312 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:43,448 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:43,449 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:43,585 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:43,586 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:43,724 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:43,725 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:43,867 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:43,868 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:44,013 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:44,014 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:44,158 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:44,159 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:44,311 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:44,312 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:44,497 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:44,498 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:44,653 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:44,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:44,808 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:44,809 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:44,963 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:44,964 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:45,119 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:45,120 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:45,279 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:45,280 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:45,440 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:45,441 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:45,604 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:45,605 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:45,770 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:45,771 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:45,938 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:45,939 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:46,108 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:46,110 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:46,289 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:46,291 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:46,467 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:46,468 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:46,651 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:46,652 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:46,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:19:46,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:19:47,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:19:47,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:19:47,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4265 backedges. 0 proven. 4256 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:19:47,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934298396] [2021-02-24 00:19:47,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:19:47,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2021-02-24 00:19:47,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411164842] [2021-02-24 00:19:47,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-02-24 00:19:47,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:19:47,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-02-24 00:19:47,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1684, Invalid=5122, Unknown=0, NotChecked=0, Total=6806 [2021-02-24 00:19:47,410 INFO L87 Difference]: Start difference. First operand 286 states and 291 transitions. Second operand 83 states. [2021-02-24 00:20:00,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:20:00,041 INFO L93 Difference]: Finished difference Result 333 states and 343 transitions. [2021-02-24 00:20:00,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-02-24 00:20:00,043 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 275 [2021-02-24 00:20:00,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:20:00,046 INFO L225 Difference]: With dead ends: 333 [2021-02-24 00:20:00,046 INFO L226 Difference]: Without dead ends: 296 [2021-02-24 00:20:00,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4791 ImplicationChecksByTransitivity, 19.6s TimeCoverageRelationStatistics Valid=7977, Invalid=18429, Unknown=0, NotChecked=0, Total=26406 [2021-02-24 00:20:00,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-02-24 00:20:00,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 292. [2021-02-24 00:20:00,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2021-02-24 00:20:00,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 297 transitions. [2021-02-24 00:20:00,114 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 297 transitions. Word has length 275 [2021-02-24 00:20:00,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:20:00,114 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 297 transitions. [2021-02-24 00:20:00,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 83 states. [2021-02-24 00:20:00,114 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 297 transitions. [2021-02-24 00:20:00,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-02-24 00:20:00,116 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:20:00,116 INFO L422 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 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] [2021-02-24 00:20:00,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-02-24 00:20:00,116 INFO L428 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:20:00,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:20:00,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1329535052, now seen corresponding path program 39 times [2021-02-24 00:20:00,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:20:00,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617785767] [2021-02-24 00:20:00,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:20:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:20:00,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:20:00,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:20:00,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:20:00,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:20:00,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:20:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:20:00,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:20:00,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:20:00,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:20:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:20:00,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:20:00,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:20:00,507 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:20:00,508 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:20:00,525 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:00,526 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:00,566 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:00,568 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:00,612 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:00,613 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:00,655 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:00,656 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:00,699 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:00,701 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:00,751 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:00,752 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:00,800 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:00,801 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:00,853 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:00,855 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:00,910 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:00,911 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:00,965 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:00,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:01,051 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:01,052 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:01,107 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:01,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:01,165 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:01,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:01,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:01,226 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:01,288 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:01,289 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:01,352 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:01,353 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:01,418 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:01,419 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:01,488 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:01,489 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:01,559 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:01,560 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:01,633 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:01,634 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:01,708 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:01,709 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:01,785 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:01,786 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:01,864 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:01,866 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:01,946 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:01,947 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:02,036 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:02,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:02,132 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:02,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:02,219 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:02,220 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:02,308 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:02,309 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:02,400 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:02,402 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:02,494 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:02,495 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:02,596 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:02,597 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:02,700 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:02,702 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:02,801 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:02,802 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:02,904 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:02,905 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:03,015 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:03,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:03,126 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:03,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:03,233 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:03,235 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:03,360 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:03,361 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:03,490 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:03,491 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:03,615 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:03,617 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:03,738 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:03,738 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:03,858 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:03,859 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:03,997 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:03,998 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:04,121 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:04,122 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:04,250 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:04,251 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:04,378 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:04,379 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:04,509 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:04,511 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:04,640 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:04,641 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:04,775 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:04,776 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:04,915 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:04,916 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:05,060 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:05,061 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:05,221 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:05,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:05,369 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:05,370 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:05,526 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:05,528 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:05,677 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:05,678 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:05,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:05,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:05,989 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:05,990 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:06,155 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:06,156 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:06,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:06,319 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:06,482 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:06,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:06,642 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:06,643 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:06,811 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:06,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:06,997 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:06,998 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:07,166 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:07,177 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:07,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:07,362 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:07,537 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:07,538 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:07,725 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:07,726 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:07,913 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:07,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:08,088 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:08,089 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:08,263 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:08,264 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:08,439 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:08,441 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:08,630 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:08,634 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:08,852 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:08,854 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:09,059 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:09,060 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:09,252 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:09,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:09,442 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:09,443 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:09,642 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:09,643 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:09,841 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:09,842 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:10,058 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:10,059 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:10,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:20:10,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:20:10,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4494 backedges. 0 proven. 4485 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:20:10,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617785767] [2021-02-24 00:20:10,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:20:10,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2021-02-24 00:20:10,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958194416] [2021-02-24 00:20:10,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 85 states [2021-02-24 00:20:10,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:20:10,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-02-24 00:20:10,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1767, Invalid=5373, Unknown=0, NotChecked=0, Total=7140 [2021-02-24 00:20:10,660 INFO L87 Difference]: Start difference. First operand 292 states and 297 transitions. Second operand 85 states. [2021-02-24 00:20:25,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:20:25,628 INFO L93 Difference]: Finished difference Result 339 states and 349 transitions. [2021-02-24 00:20:25,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-02-24 00:20:25,631 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 281 [2021-02-24 00:20:25,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:20:25,633 INFO L225 Difference]: With dead ends: 339 [2021-02-24 00:20:25,633 INFO L226 Difference]: Without dead ends: 302 [2021-02-24 00:20:25,636 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5034 ImplicationChecksByTransitivity, 22.9s TimeCoverageRelationStatistics Valid=8381, Invalid=19341, Unknown=0, NotChecked=0, Total=27722 [2021-02-24 00:20:25,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-02-24 00:20:25,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2021-02-24 00:20:25,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2021-02-24 00:20:25,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 303 transitions. [2021-02-24 00:20:25,711 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 303 transitions. Word has length 281 [2021-02-24 00:20:25,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:20:25,712 INFO L480 AbstractCegarLoop]: Abstraction has 298 states and 303 transitions. [2021-02-24 00:20:25,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 85 states. [2021-02-24 00:20:25,712 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 303 transitions. [2021-02-24 00:20:25,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-02-24 00:20:25,713 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:20:25,714 INFO L422 BasicCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 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] [2021-02-24 00:20:25,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-02-24 00:20:25,714 INFO L428 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:20:25,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:20:25,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1825765584, now seen corresponding path program 40 times [2021-02-24 00:20:25,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:20:25,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [651733262] [2021-02-24 00:20:25,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:20:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:20:25,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:20:25,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:20:25,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:20:25,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:20:25,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:20:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:20:25,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:20:25,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:20:25,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:20:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:20:26,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:20:26,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:20:26,137 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:20:26,139 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:20:26,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:26,164 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:26,204 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:26,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:26,251 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:26,252 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:26,303 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:26,305 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:26,362 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:26,364 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:26,424 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:26,426 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:26,488 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:26,489 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:26,555 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:26,557 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:26,625 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:26,626 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:26,699 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:26,700 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:26,762 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:26,763 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:26,828 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:26,829 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:26,892 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:26,894 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:26,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:26,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:27,035 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:27,036 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:27,111 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:27,113 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:27,209 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:27,210 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:27,288 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:27,289 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:27,370 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:27,372 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:27,455 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:27,456 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:27,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:27,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:27,630 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:27,631 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:27,719 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:27,720 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:27,813 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:27,814 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:27,909 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:27,910 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:28,006 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:28,008 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:28,103 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:28,105 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:28,204 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:28,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:28,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:28,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:28,416 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:28,418 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:28,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:28,548 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:28,658 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:28,659 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:28,770 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:28,771 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:28,887 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:28,888 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:29,007 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:29,008 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:29,127 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:29,129 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:29,247 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:29,249 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:29,375 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:29,376 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:29,500 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:29,502 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:29,633 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:29,634 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:29,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:29,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:29,891 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:29,892 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:30,025 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:30,027 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:30,156 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:30,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:30,289 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:30,290 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:30,431 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:30,432 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:30,575 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:30,576 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:30,721 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:30,722 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:30,875 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:30,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:31,028 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:31,030 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:31,184 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:31,186 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:31,346 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:31,347 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:31,514 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:31,515 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:31,697 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:31,699 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:31,872 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:31,873 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:32,058 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:32,059 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:32,249 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:32,251 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:32,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:32,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:32,631 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:32,633 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:32,814 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:32,815 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:32,999 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:33,000 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:33,185 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:33,187 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:33,373 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:33,374 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:33,564 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:33,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:33,757 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:33,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:33,951 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:33,953 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:34,145 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:34,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:34,345 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:34,346 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:34,548 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:34,550 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:34,756 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:34,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:34,963 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:34,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:35,175 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:35,178 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:35,385 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:35,386 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:35,599 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:35,600 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:35,811 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:35,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:36,032 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:36,033 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:36,251 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:36,252 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:36,474 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:36,476 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:36,704 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:36,706 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:36,946 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:36,947 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:37,176 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:37,177 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:37,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:20:37,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:20:37,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4729 backedges. 0 proven. 4720 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:20:37,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [651733262] [2021-02-24 00:20:37,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:20:37,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2021-02-24 00:20:37,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589996650] [2021-02-24 00:20:37,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-02-24 00:20:37,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:20:37,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-02-24 00:20:37,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1852, Invalid=5630, Unknown=0, NotChecked=0, Total=7482 [2021-02-24 00:20:37,840 INFO L87 Difference]: Start difference. First operand 298 states and 303 transitions. Second operand 87 states. [2021-02-24 00:20:55,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:20:55,044 INFO L93 Difference]: Finished difference Result 345 states and 355 transitions. [2021-02-24 00:20:55,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-02-24 00:20:55,047 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 287 [2021-02-24 00:20:55,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:20:55,049 INFO L225 Difference]: With dead ends: 345 [2021-02-24 00:20:55,049 INFO L226 Difference]: Without dead ends: 308 [2021-02-24 00:20:55,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5283 ImplicationChecksByTransitivity, 26.3s TimeCoverageRelationStatistics Valid=8795, Invalid=20275, Unknown=0, NotChecked=0, Total=29070 [2021-02-24 00:20:55,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-02-24 00:20:55,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 304. [2021-02-24 00:20:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2021-02-24 00:20:55,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 309 transitions. [2021-02-24 00:20:55,105 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 309 transitions. Word has length 287 [2021-02-24 00:20:55,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:20:55,105 INFO L480 AbstractCegarLoop]: Abstraction has 304 states and 309 transitions. [2021-02-24 00:20:55,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 87 states. [2021-02-24 00:20:55,106 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 309 transitions. [2021-02-24 00:20:55,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-02-24 00:20:55,108 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:20:55,108 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 41, 41, 41, 41, 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] [2021-02-24 00:20:55,108 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-02-24 00:20:55,108 INFO L428 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:20:55,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:20:55,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1719846124, now seen corresponding path program 41 times [2021-02-24 00:20:55,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:20:55,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462958229] [2021-02-24 00:20:55,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:20:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:20:55,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:20:55,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:20:55,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:20:55,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:20:55,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:20:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:20:55,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:20:55,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:20:55,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:20:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:20:55,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:20:55,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:20:55,589 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:20:55,591 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:20:55,617 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:55,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:55,677 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:55,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:55,736 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:55,737 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:55,796 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:55,797 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:55,850 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:55,851 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:55,919 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:55,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:55,996 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:55,998 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:56,078 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:56,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:56,164 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:56,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:56,257 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:56,259 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:56,350 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:56,351 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:56,443 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:56,445 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:56,520 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:56,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:56,597 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:56,598 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:56,676 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:56,677 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:56,758 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:56,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:56,841 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:56,843 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:56,929 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:56,930 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:57,018 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:57,020 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:57,113 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:57,115 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:57,206 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:57,208 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:57,304 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:57,305 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:57,402 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:57,403 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:57,501 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:57,502 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:57,603 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:57,604 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:57,708 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:57,709 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:57,815 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:57,816 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:57,926 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:57,928 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:58,042 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:58,044 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:58,188 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:58,189 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:58,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:58,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:58,429 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:58,431 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:58,553 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:58,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:58,678 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:58,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:58,808 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:58,809 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:58,940 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:58,941 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:59,074 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:59,075 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:59,214 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:59,216 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:59,350 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:59,352 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:59,491 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:59,493 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:59,634 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:59,635 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:59,781 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:59,782 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:20:59,928 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:20:59,929 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:00,083 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:00,085 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:00,241 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:00,242 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:00,397 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:00,398 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:00,553 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:00,554 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:00,713 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:00,714 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:00,876 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:00,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:01,037 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:01,038 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:01,204 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:01,205 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:01,373 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:01,375 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:01,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:01,549 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:01,746 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:01,747 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:01,929 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:01,931 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:02,111 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:02,112 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:02,293 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:02,294 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:02,476 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:02,478 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:02,662 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:02,663 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:02,856 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:02,857 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:03,049 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:03,050 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:03,234 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:03,235 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:03,421 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:03,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:03,620 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:03,621 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:03,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:03,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:04,045 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:04,047 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:04,259 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:04,261 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:04,481 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:04,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:04,700 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:04,701 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:04,925 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:04,928 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:05,158 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:05,159 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:05,406 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:05,408 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:05,636 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:05,637 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:05,873 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:05,875 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:06,117 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:06,118 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:06,356 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:06,357 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:06,595 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:06,596 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:06,839 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:06,841 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:07,091 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:07,092 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:07,341 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:07,342 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:07,594 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:07,596 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:07,856 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:07,857 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:08,131 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:08,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:08,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:21:08,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:21:08,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4961 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:21:08,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462958229] [2021-02-24 00:21:08,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:21:08,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2021-02-24 00:21:08,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258794650] [2021-02-24 00:21:08,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-02-24 00:21:08,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:21:08,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-02-24 00:21:08,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1939, Invalid=5893, Unknown=0, NotChecked=0, Total=7832 [2021-02-24 00:21:08,851 INFO L87 Difference]: Start difference. First operand 304 states and 309 transitions. Second operand 89 states. [2021-02-24 00:21:28,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:21:28,337 INFO L93 Difference]: Finished difference Result 351 states and 361 transitions. [2021-02-24 00:21:28,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2021-02-24 00:21:28,340 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 293 [2021-02-24 00:21:28,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:21:28,343 INFO L225 Difference]: With dead ends: 351 [2021-02-24 00:21:28,343 INFO L226 Difference]: Without dead ends: 314 [2021-02-24 00:21:28,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5538 ImplicationChecksByTransitivity, 29.9s TimeCoverageRelationStatistics Valid=9219, Invalid=21231, Unknown=0, NotChecked=0, Total=30450 [2021-02-24 00:21:28,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-02-24 00:21:28,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 310. [2021-02-24 00:21:28,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2021-02-24 00:21:28,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 315 transitions. [2021-02-24 00:21:28,418 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 315 transitions. Word has length 293 [2021-02-24 00:21:28,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:21:28,418 INFO L480 AbstractCegarLoop]: Abstraction has 310 states and 315 transitions. [2021-02-24 00:21:28,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 89 states. [2021-02-24 00:21:28,419 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 315 transitions. [2021-02-24 00:21:28,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-02-24 00:21:28,420 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:21:28,421 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 42, 42, 42, 42, 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] [2021-02-24 00:21:28,421 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-02-24 00:21:28,421 INFO L428 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:21:28,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:21:28,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1633160200, now seen corresponding path program 42 times [2021-02-24 00:21:28,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:21:28,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150394145] [2021-02-24 00:21:28,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:21:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:21:28,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:21:28,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:21:28,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:21:28,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:21:28,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:21:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:21:28,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:21:28,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:21:28,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:21:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:21:28,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:21:28,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:21:28,869 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:21:28,870 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:21:28,898 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:28,900 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:28,967 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:28,969 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:29,043 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:29,045 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:29,122 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:29,124 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:29,201 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:29,203 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:29,292 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:29,294 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:29,364 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:29,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:29,433 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:29,435 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:29,506 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:29,507 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:29,584 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:29,586 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:29,662 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:29,664 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:29,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:29,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:29,875 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:29,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:29,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:29,959 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:30,041 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:30,043 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:30,126 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:30,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:30,221 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:30,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:30,320 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:30,321 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:30,419 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:30,421 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:30,524 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:30,526 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:30,628 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:30,629 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:30,736 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:30,738 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:30,851 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:30,853 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:30,982 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:30,984 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:31,098 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:31,100 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:31,215 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:31,217 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:31,341 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:31,342 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:31,467 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:31,469 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:31,598 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:31,599 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:31,730 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:31,732 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:31,865 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:31,866 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:32,001 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:32,003 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:32,143 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:32,145 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:32,287 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:32,289 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:32,435 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:32,436 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:32,582 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:32,583 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:32,738 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:32,739 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:32,896 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:32,898 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:33,054 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:33,055 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:33,211 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:33,212 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:33,369 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:33,370 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:33,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:33,540 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:33,708 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:33,709 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:33,908 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:33,910 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:34,079 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:34,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:34,255 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:34,257 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:34,436 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:34,438 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:34,621 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:34,622 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:34,797 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:34,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:34,985 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:34,987 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:35,178 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:35,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:35,369 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:35,370 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:35,564 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:35,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:35,757 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:35,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:35,952 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:35,954 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:36,147 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:36,148 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:36,340 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:36,342 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:36,548 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:36,549 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:36,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:36,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:36,973 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:36,975 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:37,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:37,183 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:37,400 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:37,402 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:37,625 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:37,627 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:37,853 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:37,854 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:38,056 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:38,057 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:38,287 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:38,288 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:38,524 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:38,526 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:38,772 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:38,774 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:39,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:39,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:39,267 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:39,269 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:39,515 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:39,517 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:39,769 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:39,771 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:40,023 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:40,025 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:40,285 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:40,287 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:40,550 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:40,552 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:40,823 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:40,824 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:41,088 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:41,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:41,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:41,363 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:41,631 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:41,633 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:41,925 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:41,927 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:42,202 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:42,204 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:42,489 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:42,491 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:42,769 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:42,771 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:43,054 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:43,056 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:43,328 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:21:43,330 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:21:43,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:21:43,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:21:44,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5217 backedges. 0 proven. 5208 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:21:44,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150394145] [2021-02-24 00:21:44,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:21:44,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2021-02-24 00:21:44,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494939377] [2021-02-24 00:21:44,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 91 states [2021-02-24 00:21:44,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:21:44,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2021-02-24 00:21:44,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2028, Invalid=6162, Unknown=0, NotChecked=0, Total=8190 [2021-02-24 00:21:44,096 INFO L87 Difference]: Start difference. First operand 310 states and 315 transitions. Second operand 91 states. [2021-02-24 00:22:07,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:22:07,361 INFO L93 Difference]: Finished difference Result 357 states and 367 transitions. [2021-02-24 00:22:07,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-02-24 00:22:07,364 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 299 [2021-02-24 00:22:07,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:22:07,367 INFO L225 Difference]: With dead ends: 357 [2021-02-24 00:22:07,368 INFO L226 Difference]: Without dead ends: 320 [2021-02-24 00:22:07,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5799 ImplicationChecksByTransitivity, 34.5s TimeCoverageRelationStatistics Valid=9653, Invalid=22209, Unknown=0, NotChecked=0, Total=31862 [2021-02-24 00:22:07,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-02-24 00:22:07,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 316. [2021-02-24 00:22:07,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2021-02-24 00:22:07,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 321 transitions. [2021-02-24 00:22:07,458 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 321 transitions. Word has length 299 [2021-02-24 00:22:07,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:22:07,459 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 321 transitions. [2021-02-24 00:22:07,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 91 states. [2021-02-24 00:22:07,459 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 321 transitions. [2021-02-24 00:22:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-02-24 00:22:07,461 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:22:07,462 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 43, 43, 43, 43, 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] [2021-02-24 00:22:07,462 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-02-24 00:22:07,462 INFO L428 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:22:07,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:22:07,463 INFO L82 PathProgramCache]: Analyzing trace with hash -871723484, now seen corresponding path program 43 times [2021-02-24 00:22:07,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:22:07,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407490080] [2021-02-24 00:22:07,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:22:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:22:07,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:22:07,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:22:07,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:22:07,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:22:07,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:22:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:22:07,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:22:07,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:22:07,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:22:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:22:07,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:22:07,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:22:07,899 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:22:07,901 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:22:07,925 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:07,926 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:07,980 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:07,981 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:08,041 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:08,042 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:08,104 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:08,105 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:08,173 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:08,175 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:08,246 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:08,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:08,319 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:08,321 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:08,398 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:08,400 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:08,507 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:08,508 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:08,592 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:08,593 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:08,677 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:08,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:08,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:08,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:08,850 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:08,851 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:08,938 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:08,939 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:09,030 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:09,031 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:09,121 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:09,122 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:09,219 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:09,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:09,321 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:09,323 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:09,427 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:09,429 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:09,536 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:09,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:09,650 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:09,652 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:09,764 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:09,765 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:09,876 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:09,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:09,999 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:10,000 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:10,128 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:10,130 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:10,262 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:10,263 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:10,398 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:10,400 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:10,537 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:10,539 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:10,683 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:10,685 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:10,830 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:10,832 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:10,981 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:10,983 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:11,134 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:11,136 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:11,277 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:11,279 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:11,431 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:11,432 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:11,581 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:11,583 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:11,730 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:11,731 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:11,875 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:11,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:12,026 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:12,027 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:12,172 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:12,173 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:12,321 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:12,322 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:12,474 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:12,475 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:12,672 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:12,674 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:12,844 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:12,846 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:13,024 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:13,026 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:13,211 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:13,212 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:13,406 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:13,408 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:13,611 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:13,613 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:13,804 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:13,805 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:14,007 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:14,009 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:14,234 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:14,235 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:14,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:14,437 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:14,630 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:14,632 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:14,858 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:14,860 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:15,084 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:15,086 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:15,295 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:15,297 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:15,508 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:15,510 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:15,719 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:15,721 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:15,943 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:15,945 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:16,175 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:16,176 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:16,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:16,413 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:16,646 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:16,648 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:16,907 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:16,908 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:17,141 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:17,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:17,391 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:17,393 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:17,659 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:17,661 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:17,930 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:17,932 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:18,215 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:18,217 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:18,508 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:18,509 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:18,770 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:18,776 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:19,072 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:19,073 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:19,366 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:19,368 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:19,648 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:19,650 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:19,923 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:19,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:20,199 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:20,201 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:20,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:20,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:20,755 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:20,756 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:21,036 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:21,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:21,355 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:21,357 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:21,641 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:21,643 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:21,950 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:21,952 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:22,259 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:22,261 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:22,556 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:22,557 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:22,866 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:22,869 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:23,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:23,205 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:23,546 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:23,548 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:23,884 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:23,886 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:24,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:24,204 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:24,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:22:24,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:22:25,006 INFO L134 CoverageAnalysis]: Checked inductivity of 5470 backedges. 0 proven. 5461 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:22:25,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407490080] [2021-02-24 00:22:25,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:22:25,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2021-02-24 00:22:25,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813714150] [2021-02-24 00:22:25,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 93 states [2021-02-24 00:22:25,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:22:25,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-02-24 00:22:25,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2119, Invalid=6437, Unknown=0, NotChecked=0, Total=8556 [2021-02-24 00:22:25,009 INFO L87 Difference]: Start difference. First operand 316 states and 321 transitions. Second operand 93 states. [2021-02-24 00:22:50,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:22:50,125 INFO L93 Difference]: Finished difference Result 363 states and 373 transitions. [2021-02-24 00:22:50,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-02-24 00:22:50,129 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 305 [2021-02-24 00:22:50,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:22:50,132 INFO L225 Difference]: With dead ends: 363 [2021-02-24 00:22:50,132 INFO L226 Difference]: Without dead ends: 326 [2021-02-24 00:22:50,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6066 ImplicationChecksByTransitivity, 39.1s TimeCoverageRelationStatistics Valid=10097, Invalid=23209, Unknown=0, NotChecked=0, Total=33306 [2021-02-24 00:22:50,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-02-24 00:22:50,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 322. [2021-02-24 00:22:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2021-02-24 00:22:50,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 327 transitions. [2021-02-24 00:22:50,235 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 327 transitions. Word has length 305 [2021-02-24 00:22:50,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:22:50,236 INFO L480 AbstractCegarLoop]: Abstraction has 322 states and 327 transitions. [2021-02-24 00:22:50,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 93 states. [2021-02-24 00:22:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 327 transitions. [2021-02-24 00:22:50,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-02-24 00:22:50,238 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:22:50,239 INFO L422 BasicCegarLoop]: trace histogram [44, 44, 44, 44, 44, 44, 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] [2021-02-24 00:22:50,239 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-02-24 00:22:50,239 INFO L428 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:22:50,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:22:50,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1669199040, now seen corresponding path program 44 times [2021-02-24 00:22:50,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:22:50,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706694457] [2021-02-24 00:22:50,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:22:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:22:50,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:22:50,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:22:50,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:22:50,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:22:50,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:22:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:22:50,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:22:50,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:22:50,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:22:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:22:50,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:22:50,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:22:50,791 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:22:50,792 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:22:50,826 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:50,828 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:50,909 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:50,911 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:51,001 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:51,003 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:51,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:51,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:51,187 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:51,189 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:51,268 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:51,270 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:51,348 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:51,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:51,435 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:51,437 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:51,526 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:51,527 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:51,615 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:51,617 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:51,715 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:51,717 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:51,815 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:51,817 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:51,918 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:51,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:52,030 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:52,032 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:52,138 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:52,140 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:52,247 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:52,249 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:52,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:52,363 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:52,481 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:52,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:52,606 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:52,608 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:52,730 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:52,732 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:52,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:52,859 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:52,988 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:52,990 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:53,125 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:53,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:53,274 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:53,277 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:53,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:53,436 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:53,585 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:53,587 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:53,731 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:53,732 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:53,877 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:53,878 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:54,033 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:54,035 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:54,195 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:54,197 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:54,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:54,363 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:54,552 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:54,554 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:54,717 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:54,719 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:54,892 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:54,893 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:55,065 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:55,066 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:55,250 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:55,252 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:55,428 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:55,430 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:55,616 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:55,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:55,809 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:55,811 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:56,005 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:56,006 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:56,190 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:56,192 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:56,393 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:56,396 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:56,603 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:56,605 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:56,810 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:56,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:57,016 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:57,018 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:57,233 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:57,235 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:57,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:57,455 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:57,695 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:57,697 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:57,924 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:57,926 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:58,153 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:58,155 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:58,389 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:58,391 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:58,625 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:58,627 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:58,860 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:58,861 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:59,111 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:59,113 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:59,389 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:59,392 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:59,658 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:59,660 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:22:59,912 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:22:59,915 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:00,141 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:00,142 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:00,436 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:00,438 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:00,710 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:00,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:01,007 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:01,009 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:01,306 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:01,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:01,587 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:01,589 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:01,869 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:01,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:02,153 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:02,155 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:02,429 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:02,430 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:02,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:02,722 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:03,019 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:03,022 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:03,313 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:03,315 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:03,617 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:03,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:03,929 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:03,931 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:04,229 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:04,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:04,578 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:04,580 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:04,903 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:04,905 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:05,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:05,222 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:05,543 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:05,545 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:05,862 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:05,864 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:06,182 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:06,184 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:06,507 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:06,508 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:06,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:06,864 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:07,201 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:07,203 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:07,544 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:07,546 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:07,914 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:07,916 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:08,272 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:08,275 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:08,625 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:08,627 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:08,921 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:08,922 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:09,233 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:09,235 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:09,638 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:09,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:10,057 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:10,060 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:10,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:23:10,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:23:10,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5729 backedges. 0 proven. 5720 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:23:10,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706694457] [2021-02-24 00:23:10,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:23:10,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2021-02-24 00:23:10,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95659615] [2021-02-24 00:23:10,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 95 states [2021-02-24 00:23:10,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:23:10,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2021-02-24 00:23:10,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2212, Invalid=6718, Unknown=0, NotChecked=0, Total=8930 [2021-02-24 00:23:10,992 INFO L87 Difference]: Start difference. First operand 322 states and 327 transitions. Second operand 95 states. [2021-02-24 00:23:12,320 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-24 00:23:40,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:23:40,760 INFO L93 Difference]: Finished difference Result 369 states and 379 transitions. [2021-02-24 00:23:40,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-02-24 00:23:40,765 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 311 [2021-02-24 00:23:40,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:23:40,767 INFO L225 Difference]: With dead ends: 369 [2021-02-24 00:23:40,767 INFO L226 Difference]: Without dead ends: 332 [2021-02-24 00:23:40,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6339 ImplicationChecksByTransitivity, 46.2s TimeCoverageRelationStatistics Valid=10551, Invalid=24231, Unknown=0, NotChecked=0, Total=34782 [2021-02-24 00:23:40,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-02-24 00:23:40,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 328. [2021-02-24 00:23:40,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2021-02-24 00:23:40,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 333 transitions. [2021-02-24 00:23:40,865 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 333 transitions. Word has length 311 [2021-02-24 00:23:40,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:23:40,865 INFO L480 AbstractCegarLoop]: Abstraction has 328 states and 333 transitions. [2021-02-24 00:23:40,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 95 states. [2021-02-24 00:23:40,865 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 333 transitions. [2021-02-24 00:23:40,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-02-24 00:23:40,867 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:23:40,867 INFO L422 BasicCegarLoop]: trace histogram [45, 45, 45, 45, 45, 45, 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] [2021-02-24 00:23:40,868 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-02-24 00:23:40,868 INFO L428 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:23:40,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:23:40,869 INFO L82 PathProgramCache]: Analyzing trace with hash 735462236, now seen corresponding path program 45 times [2021-02-24 00:23:40,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:23:40,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [55505024] [2021-02-24 00:23:40,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:23:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:23:41,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:23:41,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:23:41,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:23:41,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:23:41,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:23:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:23:41,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:23:41,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:23:41,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:23:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:23:41,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:23:41,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:23:41,489 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:23:41,492 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:23:41,534 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:41,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:41,635 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:41,637 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:41,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:41,746 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:41,855 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:41,857 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:41,971 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:41,973 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:42,065 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:42,068 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:42,169 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:42,171 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:42,272 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:42,274 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:42,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:42,377 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:42,483 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:42,485 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:42,597 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:42,599 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:42,714 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:42,716 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:42,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:42,837 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:42,961 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:42,963 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:43,092 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:43,094 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:43,227 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:43,229 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:43,364 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:43,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:43,506 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:43,508 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:43,653 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:43,655 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:43,803 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:43,805 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:43,963 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:43,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:44,121 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:44,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:44,273 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:44,275 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:44,440 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:44,443 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:44,590 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:44,593 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:44,738 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:44,740 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:44,925 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:44,927 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:45,109 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:45,112 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:45,300 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:45,303 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:45,500 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:45,502 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:45,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:45,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:45,928 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:45,930 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:46,151 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:46,153 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:46,377 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:46,379 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:46,635 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:46,637 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:46,865 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:46,867 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:47,087 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:47,089 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:47,316 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:47,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:47,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:47,549 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:47,757 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:47,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:47,991 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:47,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:48,226 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:48,228 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:48,467 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:48,469 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:48,716 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:48,718 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:48,965 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:48,967 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:49,216 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:49,218 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:49,479 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:49,481 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:49,739 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:49,740 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:50,000 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:50,003 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:50,272 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:50,274 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:50,546 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:50,548 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:50,820 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:50,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:51,107 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:51,110 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:51,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:51,413 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:51,718 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:51,720 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:52,031 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:52,033 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:52,371 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:52,373 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:52,669 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:52,671 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:52,967 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:52,969 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:53,271 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:53,273 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:53,584 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:53,587 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:53,916 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:53,919 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:54,249 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:54,251 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:54,568 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:54,571 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:54,889 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:54,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:55,213 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:55,216 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:55,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:55,544 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:55,845 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:55,846 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:56,187 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:56,190 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:56,546 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:56,548 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:56,905 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:56,907 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:57,266 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:57,272 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:57,638 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:57,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:58,052 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:58,054 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:58,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:58,455 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:58,823 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:58,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:59,210 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:59,212 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:59,598 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:59,600 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:23:59,991 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:23:59,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:00,398 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:00,400 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:00,802 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:00,805 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:01,197 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:01,199 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:01,607 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:01,609 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:02,029 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:02,031 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:02,436 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:02,437 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:02,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:02,859 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:03,292 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:03,294 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:03,721 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:03,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:04,188 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:04,190 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:04,645 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:04,647 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:05,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:05,107 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:05,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:24:05,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:24:06,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5994 backedges. 0 proven. 5985 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:24:06,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [55505024] [2021-02-24 00:24:06,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:24:06,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2021-02-24 00:24:06,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075029429] [2021-02-24 00:24:06,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 97 states [2021-02-24 00:24:06,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:24:06,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-02-24 00:24:06,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2307, Invalid=7005, Unknown=0, NotChecked=0, Total=9312 [2021-02-24 00:24:06,083 INFO L87 Difference]: Start difference. First operand 328 states and 333 transitions. Second operand 97 states. [2021-02-24 00:24:07,965 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-02-24 00:24:08,623 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-24 00:24:44,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:24:44,098 INFO L93 Difference]: Finished difference Result 375 states and 385 transitions. [2021-02-24 00:24:44,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-02-24 00:24:44,105 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 317 [2021-02-24 00:24:44,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:24:44,108 INFO L225 Difference]: With dead ends: 375 [2021-02-24 00:24:44,108 INFO L226 Difference]: Without dead ends: 338 [2021-02-24 00:24:44,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6618 ImplicationChecksByTransitivity, 56.0s TimeCoverageRelationStatistics Valid=11015, Invalid=25275, Unknown=0, NotChecked=0, Total=36290 [2021-02-24 00:24:44,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2021-02-24 00:24:44,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 334. [2021-02-24 00:24:44,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2021-02-24 00:24:44,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 339 transitions. [2021-02-24 00:24:44,207 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 339 transitions. Word has length 317 [2021-02-24 00:24:44,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:24:44,207 INFO L480 AbstractCegarLoop]: Abstraction has 334 states and 339 transitions. [2021-02-24 00:24:44,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has 97 states. [2021-02-24 00:24:44,208 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 339 transitions. [2021-02-24 00:24:44,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-02-24 00:24:44,210 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:24:44,210 INFO L422 BasicCegarLoop]: trace histogram [46, 46, 46, 46, 46, 46, 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] [2021-02-24 00:24:44,211 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-02-24 00:24:44,211 INFO L428 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:24:44,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:24:44,211 INFO L82 PathProgramCache]: Analyzing trace with hash 307164792, now seen corresponding path program 46 times [2021-02-24 00:24:44,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:24:44,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [908545398] [2021-02-24 00:24:44,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:24:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:24:44,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:24:44,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:24:44,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:24:44,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:24:44,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:24:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:24:44,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:24:44,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:24:44,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:24:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:24:44,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:24:44,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:24:44,701 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:24:44,702 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:24:44,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:44,743 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:44,827 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:44,829 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:44,925 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:44,927 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:45,031 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:45,034 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:45,140 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:45,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:45,257 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:45,260 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:45,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:45,377 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:45,496 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:45,498 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:45,626 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:45,628 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:45,756 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:45,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:45,891 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:45,893 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:46,032 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:46,034 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:46,211 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:46,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:46,363 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:46,365 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:46,512 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:46,514 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:46,674 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:46,677 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:46,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:46,839 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:47,007 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:47,009 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:47,180 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:47,182 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:47,357 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:47,359 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:47,542 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:47,545 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:47,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:47,735 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:47,926 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:47,928 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:48,125 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:48,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:48,328 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:48,330 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:48,536 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:48,538 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:48,739 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:48,741 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:48,953 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:48,956 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:49,228 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:49,230 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:49,455 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:49,458 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:49,686 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:49,690 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:49,934 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:49,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:50,174 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:50,177 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:50,418 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:50,421 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:50,662 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:50,665 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:50,915 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:50,917 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:51,173 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:51,175 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:51,435 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:51,437 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:51,705 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:51,707 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:51,980 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:51,982 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:52,262 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:52,265 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:52,560 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:52,562 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:52,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:52,860 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:53,190 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:53,192 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:53,480 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:53,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:53,770 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:53,773 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:54,074 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:54,077 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:54,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:54,363 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:54,624 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:54,626 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:54,935 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:54,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:55,240 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:55,242 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:55,534 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:55,536 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:55,868 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:55,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:56,184 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:56,187 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:56,520 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:56,523 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:56,830 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:56,832 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:57,161 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:57,163 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:57,502 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:57,504 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:57,843 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:57,846 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:58,196 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:58,198 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:58,543 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:58,545 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:58,909 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:58,911 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:59,288 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:59,290 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:24:59,677 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:24:59,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:00,055 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:00,058 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:00,447 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:00,449 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:00,839 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:00,841 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:01,223 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:01,226 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:01,624 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:01,626 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:02,025 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:02,028 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:02,462 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:02,465 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:02,897 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:02,899 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:03,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:03,320 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:03,666 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:03,668 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:03,976 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:03,978 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:04,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:04,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:04,773 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:04,776 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:05,250 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:05,253 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:05,738 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:05,740 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:06,243 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:06,246 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:06,738 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:06,740 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:07,223 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:07,226 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:07,734 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:07,737 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:08,242 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:08,244 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:08,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:08,746 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:09,245 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:09,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:09,751 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:09,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:10,260 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:10,263 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:10,747 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:10,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:11,292 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:11,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:11,820 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:11,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:12,349 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:12,352 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:12,880 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:12,882 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:13,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:25:13,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:25:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 6265 backedges. 0 proven. 6256 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:25:14,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [908545398] [2021-02-24 00:25:14,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:25:14,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2021-02-24 00:25:14,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309087749] [2021-02-24 00:25:14,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 99 states [2021-02-24 00:25:14,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:25:14,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2021-02-24 00:25:14,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2404, Invalid=7298, Unknown=0, NotChecked=0, Total=9702 [2021-02-24 00:25:14,011 INFO L87 Difference]: Start difference. First operand 334 states and 339 transitions. Second operand 99 states. [2021-02-24 00:25:15,056 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-02-24 00:25:15,915 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-24 00:25:55,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:25:55,968 INFO L93 Difference]: Finished difference Result 381 states and 391 transitions. [2021-02-24 00:25:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-02-24 00:25:55,974 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 323 [2021-02-24 00:25:55,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:25:55,977 INFO L225 Difference]: With dead ends: 381 [2021-02-24 00:25:55,977 INFO L226 Difference]: Without dead ends: 344 [2021-02-24 00:25:55,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6903 ImplicationChecksByTransitivity, 66.1s TimeCoverageRelationStatistics Valid=11489, Invalid=26341, Unknown=0, NotChecked=0, Total=37830 [2021-02-24 00:25:55,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-02-24 00:25:56,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 340. [2021-02-24 00:25:56,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2021-02-24 00:25:56,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 345 transitions. [2021-02-24 00:25:56,140 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 345 transitions. Word has length 323 [2021-02-24 00:25:56,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:25:56,141 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 345 transitions. [2021-02-24 00:25:56,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 99 states. [2021-02-24 00:25:56,142 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 345 transitions. [2021-02-24 00:25:56,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-02-24 00:25:56,145 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:25:56,146 INFO L422 BasicCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 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] [2021-02-24 00:25:56,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-02-24 00:25:56,147 INFO L428 AbstractCegarLoop]: === Iteration 50 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:25:56,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:25:56,147 INFO L82 PathProgramCache]: Analyzing trace with hash 56878228, now seen corresponding path program 47 times [2021-02-24 00:25:56,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:25:56,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [323989392] [2021-02-24 00:25:56,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:25:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:25:56,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:25:56,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:25:56,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:25:56,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:25:56,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:25:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:25:56,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:25:56,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:25:56,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:25:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:25:56,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:25:56,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:25:56,859 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:25:56,862 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:25:56,918 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:56,922 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:57,054 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:57,057 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:57,171 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:57,174 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:57,280 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:57,283 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:57,407 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:57,410 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:57,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:57,543 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:57,676 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:57,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:57,813 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:57,817 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:57,953 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:57,956 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:58,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:58,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:58,264 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:58,267 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:58,419 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:58,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:58,577 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:58,579 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:58,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:58,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:58,914 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:58,916 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:59,083 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:59,086 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:59,290 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:59,292 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:59,476 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:59,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:59,662 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:59,665 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:25:59,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:25:59,860 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:00,049 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:00,052 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:00,252 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:00,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:00,455 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:00,458 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:00,667 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:00,670 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:00,873 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:00,875 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:01,092 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:01,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:01,323 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:01,326 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:01,548 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:01,550 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:01,777 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:01,780 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:02,023 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:02,025 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:02,277 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:02,280 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:02,534 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:02,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:02,789 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:02,790 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:03,034 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:03,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:03,306 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:03,309 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:03,579 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:03,582 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:03,851 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:03,854 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:04,124 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:04,126 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:04,414 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:04,416 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:04,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:04,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:05,002 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:05,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:05,281 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:05,284 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:05,591 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:05,593 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:05,912 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:05,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:06,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:06,229 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:06,571 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:06,573 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:06,898 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:06,901 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:07,240 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:07,243 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:07,574 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:07,577 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:07,891 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:07,894 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:08,243 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:08,246 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:08,606 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:08,609 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:08,955 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:08,957 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:09,295 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:09,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:09,679 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:09,682 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:10,059 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:10,063 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:10,430 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:10,433 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:10,809 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:10,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:11,206 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:11,209 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:11,610 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:11,612 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:11,993 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:11,996 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:12,408 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:12,411 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:12,818 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:12,821 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:13,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:13,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:13,653 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:13,655 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:14,081 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:14,084 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:14,511 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:14,514 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:14,936 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:14,939 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:15,325 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:15,328 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:15,796 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:15,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:16,245 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:16,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:16,721 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:16,724 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:17,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:17,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:17,672 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:17,675 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:18,186 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:18,189 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:18,710 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:18,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:19,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:19,183 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:19,673 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:19,676 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:20,184 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:20,187 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:20,685 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:20,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:21,217 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:21,220 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:21,732 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:21,735 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:22,228 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:22,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:22,770 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:22,772 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:23,333 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:23,336 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:23,871 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:23,874 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:24,413 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:24,416 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:24,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:24,967 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:25,501 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:25,504 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:26,072 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:26,074 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:26,637 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:26,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:27,200 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:27,203 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:27,789 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:27,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:28,391 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:28,393 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:28,970 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:26:28,973 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:26:29,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:26:29,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:26:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6542 backedges. 0 proven. 6533 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:26:30,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [323989392] [2021-02-24 00:26:30,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:26:30,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2021-02-24 00:26:30,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255014327] [2021-02-24 00:26:30,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-02-24 00:26:30,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:26:30,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-02-24 00:26:30,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2503, Invalid=7597, Unknown=0, NotChecked=0, Total=10100 [2021-02-24 00:26:30,158 INFO L87 Difference]: Start difference. First operand 340 states and 345 transitions. Second operand 101 states. [2021-02-24 00:26:30,284 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-02-24 00:26:31,287 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-02-24 00:26:32,261 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-24 00:26:36,304 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:26:38,100 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:26:38,430 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:26:41,308 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:26:41,707 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:26:42,093 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:26:42,504 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:26:42,909 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:26:44,137 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:26:44,580 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:26:45,047 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:26:45,959 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:26:46,428 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:26:47,900 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:26:50,408 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:26:50,955 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:26:51,477 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:26:52,020 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:26:52,561 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:26:53,122 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:26:57,213 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:26:57,843 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:26:58,453 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:26:59,691 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:27:00,335 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:27:01,662 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:27:02,319 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:27:03,653 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:27:05,722 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:27:07,126 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:27:13,781 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:27:14,623 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:27:16,278 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:27:18,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:27:18,006 INFO L93 Difference]: Finished difference Result 387 states and 397 transitions. [2021-02-24 00:27:18,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-02-24 00:27:18,013 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 329 [2021-02-24 00:27:18,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:27:18,015 INFO L225 Difference]: With dead ends: 387 [2021-02-24 00:27:18,015 INFO L226 Difference]: Without dead ends: 350 [2021-02-24 00:27:18,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7194 ImplicationChecksByTransitivity, 75.5s TimeCoverageRelationStatistics Valid=11973, Invalid=27429, Unknown=0, NotChecked=0, Total=39402 [2021-02-24 00:27:18,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-02-24 00:27:18,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 346. [2021-02-24 00:27:18,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2021-02-24 00:27:18,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 351 transitions. [2021-02-24 00:27:18,136 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 351 transitions. Word has length 329 [2021-02-24 00:27:18,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:27:18,137 INFO L480 AbstractCegarLoop]: Abstraction has 346 states and 351 transitions. [2021-02-24 00:27:18,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 101 states. [2021-02-24 00:27:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 351 transitions. [2021-02-24 00:27:18,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-02-24 00:27:18,140 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:27:18,141 INFO L422 BasicCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 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] [2021-02-24 00:27:18,141 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-02-24 00:27:18,141 INFO L428 AbstractCegarLoop]: === Iteration 51 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:27:18,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:27:18,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1447244368, now seen corresponding path program 48 times [2021-02-24 00:27:18,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:27:18,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700023499] [2021-02-24 00:27:18,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:27:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:27:18,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:27:18,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:27:18,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:27:18,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:27:18,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:27:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:27:18,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:27:18,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:27:18,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-24 00:27:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:27:18,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:27:18,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:27:18,959 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 00:27:18,963 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 00:27:19,011 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:19,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:19,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:19,142 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:19,288 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:19,291 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:19,437 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:19,440 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:19,568 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:19,570 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:19,707 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:19,709 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:19,850 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:19,852 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:20,009 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:20,012 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:20,168 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:20,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:20,319 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:20,322 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:20,482 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:20,485 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:20,652 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:20,655 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:20,815 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:20,817 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:20,993 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:20,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:21,173 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:21,175 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:21,363 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:21,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:21,556 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:21,559 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:21,760 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:21,762 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:21,976 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:21,978 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:22,190 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:22,193 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:22,405 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:22,408 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:22,632 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:22,635 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:22,869 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:22,872 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:23,079 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:23,081 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:23,329 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:23,332 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:23,601 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:23,604 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:23,856 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:23,859 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:24,124 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:24,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:24,381 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:24,383 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:24,657 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:24,659 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:24,915 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:24,918 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:25,188 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:25,191 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:25,480 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:25,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:25,802 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:25,804 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:26,097 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:26,100 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:26,393 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:26,396 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:26,699 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:26,702 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:27,014 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:27,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:27,331 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:27,333 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:27,665 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:27,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:27,991 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:27,994 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:28,337 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:28,341 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:28,657 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:28,660 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:29,003 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:29,006 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:29,364 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:29,367 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:29,718 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:29,721 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:30,058 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:30,061 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:30,398 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:30,400 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:30,758 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:30,760 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:31,141 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:31,144 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:31,530 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:31,533 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:31,935 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:31,938 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:32,342 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:32,344 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:32,751 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:32,754 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:33,155 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:33,158 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:33,584 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:33,587 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:34,026 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:34,028 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:34,389 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:34,393 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:34,797 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:34,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:35,106 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:35,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:35,456 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:35,459 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:35,932 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:35,934 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:36,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:36,413 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:36,896 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:36,898 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:37,326 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:37,328 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:37,873 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:37,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:38,381 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:38,384 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:38,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:38,902 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:39,416 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:39,419 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:39,939 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:39,942 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:40,466 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:40,468 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:41,000 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:41,003 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:41,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:41,542 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:42,116 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:42,119 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:42,666 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:42,669 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:43,218 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:43,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:43,782 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:43,785 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:44,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:44,312 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:44,906 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:44,909 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:45,495 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:45,498 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:46,080 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:46,083 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:46,676 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:46,678 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:47,272 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:47,275 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:47,879 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:47,882 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:48,480 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:48,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:49,097 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:49,100 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:49,727 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:49,730 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:50,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:50,383 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:51,003 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:51,007 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:51,638 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:51,641 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:52,283 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:52,286 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:52,941 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:52,944 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:53,603 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:53,606 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:54,279 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:54,283 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:54,955 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:54,958 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:55,631 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:55,635 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:56,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-24 00:27:56,321 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-24 00:27:57,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:27:57,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:27:57,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6825 backedges. 0 proven. 6816 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-24 00:27:57,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [700023499] [2021-02-24 00:27:57,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:27:57,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2021-02-24 00:27:57,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579313399] [2021-02-24 00:27:57,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 103 states [2021-02-24 00:27:57,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:27:57,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2021-02-24 00:27:57,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2604, Invalid=7902, Unknown=0, NotChecked=0, Total=10506 [2021-02-24 00:27:57,647 INFO L87 Difference]: Start difference. First operand 346 states and 351 transitions. Second operand 103 states. [2021-02-24 00:27:58,878 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-02-24 00:28:00,010 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-24 00:28:00,912 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:01,088 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:01,536 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:01,765 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:01,981 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:02,173 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:02,389 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:02,598 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:02,825 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:03,051 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:03,553 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:03,812 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:04,068 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:04,341 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:04,614 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:04,907 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:05,193 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:05,497 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:05,798 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:06,119 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:06,436 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:06,773 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:07,103 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:07,773 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:08,959 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:09,864 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:10,279 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:10,718 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:11,171 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:11,625 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:12,066 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:12,534 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:13,004 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:13,482 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:13,958 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:14,454 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:14,937 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:15,452 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:15,956 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:16,476 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:16,986 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:17,522 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:18,003 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:18,585 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:19,183 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:19,718 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:20,316 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:20,961 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:21,561 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:22,181 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:22,794 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:23,436 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:24,068 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:24,729 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:25,378 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:26,056 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:26,720 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:27,433 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:28,105 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:28,826 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:29,521 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:30,242 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:30,951 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:31,682 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:32,407 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:33,158 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:33,888 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:34,637 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:35,387 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-02-24 00:28:36,129 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-02-24 00:28:36,846 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 16