/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 21:16:06,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 21:16:06,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 21:16:06,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 21:16:06,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 21:16:06,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 21:16:06,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 21:16:06,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 21:16:06,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 21:16:06,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 21:16:06,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 21:16:06,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 21:16:06,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 21:16:06,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 21:16:06,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 21:16:06,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 21:16:06,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 21:16:06,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 21:16:06,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 21:16:06,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 21:16:06,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 21:16:06,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 21:16:06,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 21:16:06,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 21:16:06,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 21:16:06,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 21:16:06,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 21:16:06,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 21:16:06,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-21 21:16:06,979 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 21:16:06,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 21:16:06,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 21:16:06,984 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 21:16:06,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 21:16:06,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 21:16:06,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 21:16:06,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 21:16:06,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 21:16:06,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 21:16:06,986 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 21:16:06,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 21:16:06,987 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 21:16:06,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 21:16:06,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 21:16:06,988 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 21:16:06,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 21:16:06,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 21:16:06,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 21:16:06,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 21:16:06,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 21:16:06,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 21:16:06,989 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 21:16:07,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 21:16:07,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 21:16:07,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 21:16:07,511 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 21:16:07,512 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 21:16:07,513 INFO L432 ainManager$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 [2021-02-21 21:16:07,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1340a4bae/00d60a6668924a86a8c5d5a1d5d145a8/FLAGc6774a7f0 [2021-02-21 21:16:08,380 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 21:16:08,381 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i [2021-02-21 21:16:08,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1340a4bae/00d60a6668924a86a8c5d5a1d5d145a8/FLAGc6774a7f0 [2021-02-21 21:16:08,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1340a4bae/00d60a6668924a86a8c5d5a1d5d145a8 [2021-02-21 21:16:08,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 21:16:08,737 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 21:16:08,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 21:16:08,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 21:16:08,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 21:16:08,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 09:16:08" (1/1) ... [2021-02-21 21:16:08,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3905ecb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:08, skipping insertion in model container [2021-02-21 21:16:08,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 09:16:08" (1/1) ... [2021-02-21 21:16:08,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 21:16:08,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 21:16:09,028 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] [2021-02-21 21:16:09,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 21:16:09,071 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 21:16:09,093 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] [2021-02-21 21:16:09,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 21:16:09,124 INFO L208 MainTranslator]: Completed translation [2021-02-21 21:16:09,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:09 WrapperNode [2021-02-21 21:16:09,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 21:16:09,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 21:16:09,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 21:16:09,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 21:16:09,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:09" (1/1) ... [2021-02-21 21:16:09,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:09" (1/1) ... [2021-02-21 21:16:09,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:09" (1/1) ... [2021-02-21 21:16:09,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:09" (1/1) ... [2021-02-21 21:16:09,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:09" (1/1) ... [2021-02-21 21:16:09,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:09" (1/1) ... [2021-02-21 21:16:09,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:09" (1/1) ... [2021-02-21 21:16:09,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 21:16:09,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 21:16:09,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 21:16:09,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 21:16:09,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:09" (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 [2021-02-21 21:16:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 21:16:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 21:16:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 21:16:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-21 21:16:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2021-02-21 21:16:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 21:16:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 21:16:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 21:16:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 21:16:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 21:16:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 21:16:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 21:16:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 21:16:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-21 21:16:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure init [2021-02-21 21:16:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 21:16:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 21:16:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 21:16:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 21:16:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 21:16:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 21:16:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 21:16:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 21:16:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 21:16:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 21:16:09,854 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 21:16:09,855 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-02-21 21:16:09,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 09:16:09 BoogieIcfgContainer [2021-02-21 21:16:09,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 21:16:09,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 21:16:09,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 21:16:09,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 21:16:09,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 09:16:08" (1/3) ... [2021-02-21 21:16:09,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44c84f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 09:16:09, skipping insertion in model container [2021-02-21 21:16:09,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:09" (2/3) ... [2021-02-21 21:16:09,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44c84f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 09:16:09, skipping insertion in model container [2021-02-21 21:16:09,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 09:16:09" (3/3) ... [2021-02-21 21:16:09,873 INFO L111 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_flag_init.i [2021-02-21 21:16:09,882 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 21:16:09,888 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 21:16:09,909 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 21:16:09,937 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 21:16:09,937 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 21:16:09,937 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 21:16:09,937 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 21:16:09,938 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 21:16:09,938 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 21:16:09,938 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 21:16:09,938 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 21:16:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2021-02-21 21:16:09,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-21 21:16:09,966 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:09,967 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] [2021-02-21 21:16:09,967 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:09,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:09,974 INFO L82 PathProgramCache]: Analyzing trace with hash -351077520, now seen corresponding path program 1 times [2021-02-21 21:16:09,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:09,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024956695] [2021-02-21 21:16:09,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:10,054 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:10,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:10,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:10,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:10,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:16:10,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:10,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:10,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:10,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:10,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:10,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:10,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:10,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:10,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:10,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1024956695] [2021-02-21 21:16:10,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:10,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 21:16:10,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331305462] [2021-02-21 21:16:10,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 21:16:10,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:10,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 21:16:10,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-21 21:16:10,432 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 5 states. [2021-02-21 21:16:10,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:10,828 INFO L93 Difference]: Finished difference Result 114 states and 139 transitions. [2021-02-21 21:16:10,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 21:16:10,830 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-02-21 21:16:10,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:10,843 INFO L225 Difference]: With dead ends: 114 [2021-02-21 21:16:10,843 INFO L226 Difference]: Without dead ends: 72 [2021-02-21 21:16:10,848 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 [2021-02-21 21:16:10,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-02-21 21:16:10,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 54. [2021-02-21 21:16:10,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-02-21 21:16:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2021-02-21 21:16:10,973 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 33 [2021-02-21 21:16:10,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:10,973 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2021-02-21 21:16:10,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 21:16:10,974 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2021-02-21 21:16:10,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-02-21 21:16:10,975 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:10,976 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] [2021-02-21 21:16:10,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 21:16:10,976 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:10,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:10,977 INFO L82 PathProgramCache]: Analyzing trace with hash -878173048, now seen corresponding path program 1 times [2021-02-21 21:16:10,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:10,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1832911321] [2021-02-21 21:16:10,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:11,012 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:11,015 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:11,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:11,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:16:11,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:16:11,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:16:11,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:11,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:11,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:11,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:11,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:11,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:11,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1832911321] [2021-02-21 21:16:11,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:11,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 21:16:11,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402093519] [2021-02-21 21:16:11,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 21:16:11,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:11,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 21:16:11,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-21 21:16:11,285 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 7 states. [2021-02-21 21:16:11,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:11,736 INFO L93 Difference]: Finished difference Result 96 states and 107 transitions. [2021-02-21 21:16:11,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-21 21:16:11,738 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2021-02-21 21:16:11,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:11,740 INFO L225 Difference]: With dead ends: 96 [2021-02-21 21:16:11,741 INFO L226 Difference]: Without dead ends: 81 [2021-02-21 21:16:11,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-02-21 21:16:11,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-02-21 21:16:11,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 63. [2021-02-21 21:16:11,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-02-21 21:16:11,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2021-02-21 21:16:11,760 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 40 [2021-02-21 21:16:11,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:11,763 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions. [2021-02-21 21:16:11,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 21:16:11,763 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2021-02-21 21:16:11,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-21 21:16:11,767 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:11,768 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] [2021-02-21 21:16:11,768 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 21:16:11,768 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:11,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:11,769 INFO L82 PathProgramCache]: Analyzing trace with hash -692121488, now seen corresponding path program 2 times [2021-02-21 21:16:11,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:11,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2032642523] [2021-02-21 21:16:11,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:11,796 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:11,799 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:11,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:11,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:11,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:11,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:11,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:11,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:11,954 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:11,955 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:11,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:11,974 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:12,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:12,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:12,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2032642523] [2021-02-21 21:16:12,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:12,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 21:16:12,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951714231] [2021-02-21 21:16:12,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 21:16:12,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:12,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 21:16:12,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-21 21:16:12,025 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand 7 states. [2021-02-21 21:16:12,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:12,512 INFO L93 Difference]: Finished difference Result 105 states and 115 transitions. [2021-02-21 21:16:12,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 21:16:12,513 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2021-02-21 21:16:12,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:12,515 INFO L225 Difference]: With dead ends: 105 [2021-02-21 21:16:12,515 INFO L226 Difference]: Without dead ends: 68 [2021-02-21 21:16:12,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-02-21 21:16:12,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-02-21 21:16:12,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2021-02-21 21:16:12,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-02-21 21:16:12,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2021-02-21 21:16:12,531 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 47 [2021-02-21 21:16:12,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:12,531 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2021-02-21 21:16:12,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 21:16:12,532 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2021-02-21 21:16:12,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-02-21 21:16:12,533 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:12,534 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] [2021-02-21 21:16:12,534 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 21:16:12,534 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:12,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:12,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1856414860, now seen corresponding path program 1 times [2021-02-21 21:16:12,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:12,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [995046850] [2021-02-21 21:16:12,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:12,546 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:12,548 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:12,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:12,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:12,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:12,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:12,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:12,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:12,678 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:12,679 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:12,689 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:12,691 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:12,709 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:12,711 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:12,731 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:12,732 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:12,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:12,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [995046850] [2021-02-21 21:16:12,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:12,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 21:16:12,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949053407] [2021-02-21 21:16:12,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 21:16:12,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:12,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 21:16:12,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-02-21 21:16:12,772 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 9 states. [2021-02-21 21:16:13,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:13,154 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2021-02-21 21:16:13,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 21:16:13,155 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2021-02-21 21:16:13,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:13,162 INFO L225 Difference]: With dead ends: 111 [2021-02-21 21:16:13,162 INFO L226 Difference]: Without dead ends: 74 [2021-02-21 21:16:13,164 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 [2021-02-21 21:16:13,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-02-21 21:16:13,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2021-02-21 21:16:13,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2021-02-21 21:16:13,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 75 transitions. [2021-02-21 21:16:13,189 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 75 transitions. Word has length 53 [2021-02-21 21:16:13,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:13,190 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 75 transitions. [2021-02-21 21:16:13,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 21:16:13,190 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2021-02-21 21:16:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-21 21:16:13,191 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:13,192 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] [2021-02-21 21:16:13,192 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 21:16:13,192 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:13,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:13,193 INFO L82 PathProgramCache]: Analyzing trace with hash 549303208, now seen corresponding path program 2 times [2021-02-21 21:16:13,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:13,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564737085] [2021-02-21 21:16:13,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:13,205 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:13,207 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:13,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:13,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:13,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:13,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:13,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:13,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:13,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:13,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:13,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:13,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:13,391 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:13,392 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:13,404 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:13,406 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:13,426 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:13,427 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:13,452 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:13,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:13,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:13,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:13,500 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:13,503 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:13,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:13,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:13,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:13,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564737085] [2021-02-21 21:16:13,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:13,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-21 21:16:13,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781903402] [2021-02-21 21:16:13,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-21 21:16:13,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:13,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-21 21:16:13,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-02-21 21:16:13,546 INFO L87 Difference]: Start difference. First operand 70 states and 75 transitions. Second operand 11 states. [2021-02-21 21:16:13,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:13,988 INFO L93 Difference]: Finished difference Result 117 states and 127 transitions. [2021-02-21 21:16:13,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-21 21:16:13,989 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2021-02-21 21:16:13,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:13,990 INFO L225 Difference]: With dead ends: 117 [2021-02-21 21:16:13,990 INFO L226 Difference]: Without dead ends: 80 [2021-02-21 21:16:13,991 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 [2021-02-21 21:16:13,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-02-21 21:16:14,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2021-02-21 21:16:14,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-21 21:16:14,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2021-02-21 21:16:14,004 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 59 [2021-02-21 21:16:14,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:14,004 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2021-02-21 21:16:14,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-21 21:16:14,005 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2021-02-21 21:16:14,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-02-21 21:16:14,006 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:14,006 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] [2021-02-21 21:16:14,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 21:16:14,007 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:14,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:14,007 INFO L82 PathProgramCache]: Analyzing trace with hash -331612732, now seen corresponding path program 3 times [2021-02-21 21:16:14,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:14,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49831170] [2021-02-21 21:16:14,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:14,019 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:14,021 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:14,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:14,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:14,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:14,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:14,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:14,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:14,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:14,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:14,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:14,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:14,146 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:14,146 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:14,155 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:14,156 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:14,176 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:14,177 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:14,197 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:14,198 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:14,219 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:14,220 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:14,245 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:14,247 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:14,274 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:14,275 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:14,300 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:14,304 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:14,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:14,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:14,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:14,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49831170] [2021-02-21 21:16:14,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:14,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-21 21:16:14,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442836985] [2021-02-21 21:16:14,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-21 21:16:14,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:14,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-21 21:16:14,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-02-21 21:16:14,366 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand 13 states. [2021-02-21 21:16:14,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:14,915 INFO L93 Difference]: Finished difference Result 123 states and 133 transitions. [2021-02-21 21:16:14,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-21 21:16:14,915 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 65 [2021-02-21 21:16:14,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:14,917 INFO L225 Difference]: With dead ends: 123 [2021-02-21 21:16:14,917 INFO L226 Difference]: Without dead ends: 86 [2021-02-21 21:16:14,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2021-02-21 21:16:14,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-02-21 21:16:14,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82. [2021-02-21 21:16:14,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-02-21 21:16:14,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 87 transitions. [2021-02-21 21:16:14,935 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 87 transitions. Word has length 65 [2021-02-21 21:16:14,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:14,936 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 87 transitions. [2021-02-21 21:16:14,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-21 21:16:14,936 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2021-02-21 21:16:14,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-02-21 21:16:14,938 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:14,938 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] [2021-02-21 21:16:14,938 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-21 21:16:14,938 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:14,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:14,939 INFO L82 PathProgramCache]: Analyzing trace with hash -141999392, now seen corresponding path program 4 times [2021-02-21 21:16:14,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:14,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [899062568] [2021-02-21 21:16:14,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:14,952 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:14,953 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:14,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:15,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:15,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:15,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:15,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:15,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:15,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:15,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:15,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:15,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:15,153 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:15,154 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:15,168 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,169 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,187 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,190 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,209 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,210 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,230 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,277 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,278 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,306 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,307 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,330 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,331 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,357 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,358 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:15,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:15,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:15,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [899062568] [2021-02-21 21:16:15,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:15,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-21 21:16:15,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081306243] [2021-02-21 21:16:15,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-21 21:16:15,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:15,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-21 21:16:15,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-02-21 21:16:15,406 INFO L87 Difference]: Start difference. First operand 82 states and 87 transitions. Second operand 15 states. [2021-02-21 21:16:15,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:15,999 INFO L93 Difference]: Finished difference Result 129 states and 139 transitions. [2021-02-21 21:16:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-21 21:16:15,999 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 71 [2021-02-21 21:16:16,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:16,001 INFO L225 Difference]: With dead ends: 129 [2021-02-21 21:16:16,001 INFO L226 Difference]: Without dead ends: 92 [2021-02-21 21:16:16,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=191, Invalid=511, Unknown=0, NotChecked=0, Total=702 [2021-02-21 21:16:16,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-02-21 21:16:16,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 88. [2021-02-21 21:16:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2021-02-21 21:16:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 93 transitions. [2021-02-21 21:16:16,018 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 93 transitions. Word has length 71 [2021-02-21 21:16:16,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:16,018 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 93 transitions. [2021-02-21 21:16:16,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-21 21:16:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2021-02-21 21:16:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-02-21 21:16:16,019 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:16,020 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] [2021-02-21 21:16:16,020 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-21 21:16:16,020 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:16,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:16,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1815954172, now seen corresponding path program 5 times [2021-02-21 21:16:16,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:16,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028453090] [2021-02-21 21:16:16,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:16,039 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:16,041 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:16,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:16,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:16,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:16,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:16,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:16,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:16,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:16,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:16,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:16,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:16,208 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:16,213 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:16,228 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,228 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,246 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,247 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,266 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,268 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,300 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,301 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,324 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,325 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,346 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,347 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,369 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,370 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,396 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,399 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,424 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,428 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,482 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,513 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,516 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:16,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:16,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:16,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028453090] [2021-02-21 21:16:16,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:16,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-21 21:16:16,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895168770] [2021-02-21 21:16:16,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-21 21:16:16,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:16,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-21 21:16:16,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2021-02-21 21:16:16,580 INFO L87 Difference]: Start difference. First operand 88 states and 93 transitions. Second operand 17 states. [2021-02-21 21:16:17,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:17,233 INFO L93 Difference]: Finished difference Result 135 states and 145 transitions. [2021-02-21 21:16:17,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-21 21:16:17,234 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 77 [2021-02-21 21:16:17,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:17,240 INFO L225 Difference]: With dead ends: 135 [2021-02-21 21:16:17,240 INFO L226 Difference]: Without dead ends: 98 [2021-02-21 21:16:17,246 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 [2021-02-21 21:16:17,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-02-21 21:16:17,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2021-02-21 21:16:17,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-02-21 21:16:17,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 99 transitions. [2021-02-21 21:16:17,281 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 99 transitions. Word has length 77 [2021-02-21 21:16:17,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:17,282 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 99 transitions. [2021-02-21 21:16:17,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-21 21:16:17,282 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2021-02-21 21:16:17,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-02-21 21:16:17,285 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:17,285 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] [2021-02-21 21:16:17,285 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-21 21:16:17,285 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:17,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:17,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1394589208, now seen corresponding path program 6 times [2021-02-21 21:16:17,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:17,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603404355] [2021-02-21 21:16:17,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:17,312 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:17,314 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:17,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:17,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:17,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:17,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:17,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:17,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:17,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:17,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:17,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:17,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:17,433 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:17,434 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:17,444 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,445 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,461 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,462 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,479 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,480 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,498 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,499 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,518 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,519 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,543 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,544 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,569 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,570 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,600 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,603 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,629 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,631 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,660 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,661 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,689 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,689 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,718 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,719 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,747 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,748 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:17,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:17,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:17,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603404355] [2021-02-21 21:16:17,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:17,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-02-21 21:16:17,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621319891] [2021-02-21 21:16:17,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-21 21:16:17,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:17,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-21 21:16:17,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2021-02-21 21:16:17,813 INFO L87 Difference]: Start difference. First operand 94 states and 99 transitions. Second operand 19 states. [2021-02-21 21:16:18,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:18,600 INFO L93 Difference]: Finished difference Result 141 states and 151 transitions. [2021-02-21 21:16:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-21 21:16:18,601 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 83 [2021-02-21 21:16:18,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:18,602 INFO L225 Difference]: With dead ends: 141 [2021-02-21 21:16:18,602 INFO L226 Difference]: Without dead ends: 104 [2021-02-21 21:16:18,604 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 [2021-02-21 21:16:18,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-02-21 21:16:18,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2021-02-21 21:16:18,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-02-21 21:16:18,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 105 transitions. [2021-02-21 21:16:18,619 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 105 transitions. Word has length 83 [2021-02-21 21:16:18,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:18,620 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 105 transitions. [2021-02-21 21:16:18,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-21 21:16:18,620 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2021-02-21 21:16:18,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-02-21 21:16:18,621 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:18,621 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] [2021-02-21 21:16:18,621 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-21 21:16:18,621 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:18,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:18,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1881699380, now seen corresponding path program 7 times [2021-02-21 21:16:18,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:18,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [346502998] [2021-02-21 21:16:18,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:18,634 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:18,636 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:18,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:18,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:18,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:18,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:18,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:18,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:18,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:18,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:18,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:18,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:18,756 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:18,756 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:18,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:18,766 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:18,783 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:18,784 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:18,803 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:18,806 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:18,825 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:18,826 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:18,850 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:18,852 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:18,875 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:18,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:18,899 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:18,900 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:18,924 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:18,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:18,989 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:18,990 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,019 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,020 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,051 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,055 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,088 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,089 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,120 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,121 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,154 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,155 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,188 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,189 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:19,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:19,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [346502998] [2021-02-21 21:16:19,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:19,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-02-21 21:16:19,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457974900] [2021-02-21 21:16:19,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-21 21:16:19,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:19,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-21 21:16:19,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2021-02-21 21:16:19,267 INFO L87 Difference]: Start difference. First operand 100 states and 105 transitions. Second operand 21 states. [2021-02-21 21:16:20,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:20,091 INFO L93 Difference]: Finished difference Result 147 states and 157 transitions. [2021-02-21 21:16:20,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-21 21:16:20,092 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 89 [2021-02-21 21:16:20,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:20,093 INFO L225 Difference]: With dead ends: 147 [2021-02-21 21:16:20,093 INFO L226 Difference]: Without dead ends: 110 [2021-02-21 21:16:20,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=413, Invalid=1069, Unknown=0, NotChecked=0, Total=1482 [2021-02-21 21:16:20,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-02-21 21:16:20,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2021-02-21 21:16:20,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-02-21 21:16:20,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 111 transitions. [2021-02-21 21:16:20,108 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 111 transitions. Word has length 89 [2021-02-21 21:16:20,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:20,108 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 111 transitions. [2021-02-21 21:16:20,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2021-02-21 21:16:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2021-02-21 21:16:20,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-02-21 21:16:20,109 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:20,110 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] [2021-02-21 21:16:20,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-21 21:16:20,110 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:20,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:20,111 INFO L82 PathProgramCache]: Analyzing trace with hash 511649104, now seen corresponding path program 8 times [2021-02-21 21:16:20,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:20,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1955842941] [2021-02-21 21:16:20,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:20,123 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:20,124 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:20,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:20,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:20,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:20,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:20,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:20,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:20,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:20,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:20,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:20,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:20,245 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:20,246 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:20,255 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,256 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,272 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,273 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,291 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,291 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,311 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,312 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,333 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,334 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,354 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,381 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,382 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,418 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,419 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,446 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,474 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,474 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,501 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,502 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,531 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,532 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,560 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,561 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,590 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,591 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,620 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,621 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,657 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,657 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,689 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,690 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:20,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:20,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:20,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1955842941] [2021-02-21 21:16:20,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:20,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-02-21 21:16:20,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357818186] [2021-02-21 21:16:20,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-21 21:16:20,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:20,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-21 21:16:20,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2021-02-21 21:16:20,793 INFO L87 Difference]: Start difference. First operand 106 states and 111 transitions. Second operand 23 states. [2021-02-21 21:16:21,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:21,781 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2021-02-21 21:16:21,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-21 21:16:21,781 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 95 [2021-02-21 21:16:21,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:21,783 INFO L225 Difference]: With dead ends: 153 [2021-02-21 21:16:21,783 INFO L226 Difference]: Without dead ends: 116 [2021-02-21 21:16:21,784 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 [2021-02-21 21:16:21,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-02-21 21:16:21,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 112. [2021-02-21 21:16:21,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-02-21 21:16:21,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 117 transitions. [2021-02-21 21:16:21,808 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 117 transitions. Word has length 95 [2021-02-21 21:16:21,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:21,809 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 117 transitions. [2021-02-21 21:16:21,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-02-21 21:16:21,809 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 117 transitions. [2021-02-21 21:16:21,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-02-21 21:16:21,810 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:21,810 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] [2021-02-21 21:16:21,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-21 21:16:21,811 INFO L428 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:21,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:21,811 INFO L82 PathProgramCache]: Analyzing trace with hash 746295660, now seen corresponding path program 9 times [2021-02-21 21:16:21,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:21,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236172071] [2021-02-21 21:16:21,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:21,825 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:21,826 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:21,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:21,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:21,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:21,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:21,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:21,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:21,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:21,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:22,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:22,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:22,048 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:22,049 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:22,058 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,059 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,078 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,099 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,100 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,121 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,122 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,165 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,188 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,189 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,213 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,242 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,243 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,268 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,269 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,296 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,297 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,329 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,330 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,358 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,359 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,389 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,390 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,419 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,421 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,452 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,487 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,488 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,521 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,554 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:22,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:22,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:22,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236172071] [2021-02-21 21:16:22,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:22,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-02-21 21:16:22,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727873736] [2021-02-21 21:16:22,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-21 21:16:22,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:22,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-21 21:16:22,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2021-02-21 21:16:22,649 INFO L87 Difference]: Start difference. First operand 112 states and 117 transitions. Second operand 25 states. [2021-02-21 21:16:23,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:23,855 INFO L93 Difference]: Finished difference Result 159 states and 169 transitions. [2021-02-21 21:16:23,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-21 21:16:23,855 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 101 [2021-02-21 21:16:23,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:23,857 INFO L225 Difference]: With dead ends: 159 [2021-02-21 21:16:23,857 INFO L226 Difference]: Without dead ends: 122 [2021-02-21 21:16:23,859 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 [2021-02-21 21:16:23,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-02-21 21:16:23,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 118. [2021-02-21 21:16:23,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-02-21 21:16:23,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 123 transitions. [2021-02-21 21:16:23,874 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 123 transitions. Word has length 101 [2021-02-21 21:16:23,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:23,874 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 123 transitions. [2021-02-21 21:16:23,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2021-02-21 21:16:23,874 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2021-02-21 21:16:23,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-02-21 21:16:23,875 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:23,876 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] [2021-02-21 21:16:23,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-21 21:16:23,876 INFO L428 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:23,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:23,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1213892472, now seen corresponding path program 10 times [2021-02-21 21:16:23,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:23,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693709523] [2021-02-21 21:16:23,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:23,890 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:23,892 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:23,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:23,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:23,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:23,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:23,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:23,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:23,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:23,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:24,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:24,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:24,030 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:24,030 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:24,039 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,039 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,055 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,056 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,074 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,076 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,096 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,096 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,115 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,116 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,138 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,139 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,177 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,181 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,206 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,207 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,231 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,232 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,257 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,258 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,283 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,284 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,314 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,314 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,347 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,348 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,383 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,383 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,420 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,423 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,460 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,462 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,500 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,501 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,543 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,544 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,583 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,584 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,622 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,623 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,665 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,666 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:24,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:24,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:24,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693709523] [2021-02-21 21:16:24,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:24,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-02-21 21:16:24,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351616009] [2021-02-21 21:16:24,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-02-21 21:16:24,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:24,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-02-21 21:16:24,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2021-02-21 21:16:24,762 INFO L87 Difference]: Start difference. First operand 118 states and 123 transitions. Second operand 27 states. [2021-02-21 21:16:26,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:26,072 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2021-02-21 21:16:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-21 21:16:26,073 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 107 [2021-02-21 21:16:26,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:26,075 INFO L225 Difference]: With dead ends: 165 [2021-02-21 21:16:26,075 INFO L226 Difference]: Without dead ends: 128 [2021-02-21 21:16:26,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=725, Invalid=1825, Unknown=0, NotChecked=0, Total=2550 [2021-02-21 21:16:26,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-02-21 21:16:26,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2021-02-21 21:16:26,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2021-02-21 21:16:26,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 129 transitions. [2021-02-21 21:16:26,092 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 129 transitions. Word has length 107 [2021-02-21 21:16:26,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:26,093 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 129 transitions. [2021-02-21 21:16:26,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2021-02-21 21:16:26,093 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2021-02-21 21:16:26,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-02-21 21:16:26,094 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:26,094 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] [2021-02-21 21:16:26,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-21 21:16:26,095 INFO L428 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:26,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:26,095 INFO L82 PathProgramCache]: Analyzing trace with hash 146053796, now seen corresponding path program 11 times [2021-02-21 21:16:26,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:26,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1846353079] [2021-02-21 21:16:26,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:26,109 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:26,110 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:26,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:26,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:26,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:26,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:26,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:26,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:26,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:26,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:26,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:26,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:26,247 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:26,248 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:26,256 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,257 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,272 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,273 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,290 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,291 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,308 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,309 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,328 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,328 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,348 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,368 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,369 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,393 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,393 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,416 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,417 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,441 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,442 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,466 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,467 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,493 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,494 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,524 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,525 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,560 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,561 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,603 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,606 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,643 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,645 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,727 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,728 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,762 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,762 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,802 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,804 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,846 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,847 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,891 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,893 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,938 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,939 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:26,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:27,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:27,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1846353079] [2021-02-21 21:16:27,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:27,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-02-21 21:16:27,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859531849] [2021-02-21 21:16:27,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-02-21 21:16:27,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:27,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-02-21 21:16:27,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2021-02-21 21:16:27,047 INFO L87 Difference]: Start difference. First operand 124 states and 129 transitions. Second operand 29 states. [2021-02-21 21:16:28,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:28,633 INFO L93 Difference]: Finished difference Result 171 states and 181 transitions. [2021-02-21 21:16:28,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-02-21 21:16:28,635 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 113 [2021-02-21 21:16:28,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:28,636 INFO L225 Difference]: With dead ends: 171 [2021-02-21 21:16:28,637 INFO L226 Difference]: Without dead ends: 134 [2021-02-21 21:16:28,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=849, Invalid=2121, Unknown=0, NotChecked=0, Total=2970 [2021-02-21 21:16:28,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-02-21 21:16:28,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 130. [2021-02-21 21:16:28,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2021-02-21 21:16:28,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 135 transitions. [2021-02-21 21:16:28,654 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 135 transitions. Word has length 113 [2021-02-21 21:16:28,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:28,654 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 135 transitions. [2021-02-21 21:16:28,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2021-02-21 21:16:28,654 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2021-02-21 21:16:28,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-02-21 21:16:28,656 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:28,656 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] [2021-02-21 21:16:28,656 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-21 21:16:28,656 INFO L428 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:28,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:28,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1871755200, now seen corresponding path program 12 times [2021-02-21 21:16:28,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:28,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282561851] [2021-02-21 21:16:28,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:28,670 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:28,671 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:28,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:28,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:28,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:28,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:28,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:28,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:28,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:28,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:28,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:28,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:28,828 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:28,829 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:28,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:28,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:28,855 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:28,856 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:28,877 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:28,878 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:28,897 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:28,898 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:28,917 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:28,917 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:28,938 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:28,939 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:28,962 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:28,964 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:28,990 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:28,991 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,031 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,032 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,060 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,060 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,091 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,092 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,124 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,158 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,159 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,188 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,189 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,229 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,230 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,268 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,268 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,306 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,307 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,346 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,347 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,387 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,388 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,433 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,434 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,472 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,473 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,512 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,513 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,552 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,554 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,598 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,599 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,645 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,645 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:29,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:29,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:29,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282561851] [2021-02-21 21:16:29,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:29,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-02-21 21:16:29,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196237956] [2021-02-21 21:16:29,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-02-21 21:16:29,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:29,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-02-21 21:16:29,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2021-02-21 21:16:29,757 INFO L87 Difference]: Start difference. First operand 130 states and 135 transitions. Second operand 31 states. [2021-02-21 21:16:31,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:31,307 INFO L93 Difference]: Finished difference Result 177 states and 187 transitions. [2021-02-21 21:16:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-21 21:16:31,308 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 119 [2021-02-21 21:16:31,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:31,309 INFO L225 Difference]: With dead ends: 177 [2021-02-21 21:16:31,309 INFO L226 Difference]: Without dead ends: 140 [2021-02-21 21:16:31,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 579 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=983, Invalid=2439, Unknown=0, NotChecked=0, Total=3422 [2021-02-21 21:16:31,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-02-21 21:16:31,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2021-02-21 21:16:31,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-02-21 21:16:31,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 141 transitions. [2021-02-21 21:16:31,328 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 141 transitions. Word has length 119 [2021-02-21 21:16:31,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:31,329 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 141 transitions. [2021-02-21 21:16:31,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2021-02-21 21:16:31,329 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 141 transitions. [2021-02-21 21:16:31,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-02-21 21:16:31,330 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:31,330 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] [2021-02-21 21:16:31,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-21 21:16:31,331 INFO L428 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:31,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:31,331 INFO L82 PathProgramCache]: Analyzing trace with hash 525438940, now seen corresponding path program 13 times [2021-02-21 21:16:31,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:31,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [524651181] [2021-02-21 21:16:31,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:31,341 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:31,343 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:31,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:31,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:31,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:31,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:31,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:31,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:31,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:31,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:31,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:31,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:31,500 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:31,500 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:31,509 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,509 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,526 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,526 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,545 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,546 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,567 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,568 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,588 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,589 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,610 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,611 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,647 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,647 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,670 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,670 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,694 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,694 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,718 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,719 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,743 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,775 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,780 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,846 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,846 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,882 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,882 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,919 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:31,959 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:31,997 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,001 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,036 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,072 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,072 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,108 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,110 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,188 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,189 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,236 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,237 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,284 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,285 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,335 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,336 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,387 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,388 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:32,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:32,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:32,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [524651181] [2021-02-21 21:16:32,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:32,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-02-21 21:16:32,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323978411] [2021-02-21 21:16:32,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-02-21 21:16:32,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:32,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-02-21 21:16:32,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=797, Unknown=0, NotChecked=0, Total=1056 [2021-02-21 21:16:32,507 INFO L87 Difference]: Start difference. First operand 136 states and 141 transitions. Second operand 33 states. [2021-02-21 21:16:34,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:34,200 INFO L93 Difference]: Finished difference Result 183 states and 193 transitions. [2021-02-21 21:16:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-21 21:16:34,201 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 125 [2021-02-21 21:16:34,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:34,205 INFO L225 Difference]: With dead ends: 183 [2021-02-21 21:16:34,205 INFO L226 Difference]: Without dead ends: 146 [2021-02-21 21:16:34,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1127, Invalid=2779, Unknown=0, NotChecked=0, Total=3906 [2021-02-21 21:16:34,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-02-21 21:16:34,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 142. [2021-02-21 21:16:34,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2021-02-21 21:16:34,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 147 transitions. [2021-02-21 21:16:34,225 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 147 transitions. Word has length 125 [2021-02-21 21:16:34,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:34,225 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 147 transitions. [2021-02-21 21:16:34,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2021-02-21 21:16:34,225 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 147 transitions. [2021-02-21 21:16:34,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-02-21 21:16:34,227 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:34,227 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] [2021-02-21 21:16:34,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-02-21 21:16:34,227 INFO L428 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:34,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:34,228 INFO L82 PathProgramCache]: Analyzing trace with hash 171893496, now seen corresponding path program 14 times [2021-02-21 21:16:34,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:34,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1401949873] [2021-02-21 21:16:34,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:34,243 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:34,245 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:34,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:34,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:34,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:34,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:34,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:34,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:34,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:34,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:34,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:34,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:34,447 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:34,448 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:34,457 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,457 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,473 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,474 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,491 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,491 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,511 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,511 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,531 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,532 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,553 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,553 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,575 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,575 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,599 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,599 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,624 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,625 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,653 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,681 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,682 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,710 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,711 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,749 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,789 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,790 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,831 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,832 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,870 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,915 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,915 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:34,962 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:34,962 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,009 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,010 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,058 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,059 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,107 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,147 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,148 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,192 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,193 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,237 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,238 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,278 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,279 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,321 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,322 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,367 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,368 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,414 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,415 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,469 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,470 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:35,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:35,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:35,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1401949873] [2021-02-21 21:16:35,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:35,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-02-21 21:16:35,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109651776] [2021-02-21 21:16:35,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-02-21 21:16:35,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:35,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-02-21 21:16:35,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=898, Unknown=0, NotChecked=0, Total=1190 [2021-02-21 21:16:35,644 INFO L87 Difference]: Start difference. First operand 142 states and 147 transitions. Second operand 35 states. [2021-02-21 21:16:37,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:37,577 INFO L93 Difference]: Finished difference Result 189 states and 199 transitions. [2021-02-21 21:16:37,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-02-21 21:16:37,578 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 131 [2021-02-21 21:16:37,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:37,580 INFO L225 Difference]: With dead ends: 189 [2021-02-21 21:16:37,580 INFO L226 Difference]: Without dead ends: 152 [2021-02-21 21:16:37,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1281, Invalid=3141, Unknown=0, NotChecked=0, Total=4422 [2021-02-21 21:16:37,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-02-21 21:16:37,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 148. [2021-02-21 21:16:37,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2021-02-21 21:16:37,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 153 transitions. [2021-02-21 21:16:37,601 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 153 transitions. Word has length 131 [2021-02-21 21:16:37,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:37,602 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 153 transitions. [2021-02-21 21:16:37,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2021-02-21 21:16:37,602 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 153 transitions. [2021-02-21 21:16:37,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-02-21 21:16:37,603 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:37,603 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] [2021-02-21 21:16:37,603 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-02-21 21:16:37,603 INFO L428 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:37,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:37,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1110413036, now seen corresponding path program 15 times [2021-02-21 21:16:37,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:37,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [94363739] [2021-02-21 21:16:37,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:37,620 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:37,621 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:37,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:37,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:37,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:37,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:37,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:37,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:37,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:37,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:37,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:37,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:37,796 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:37,796 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:37,805 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:37,805 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:37,821 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:37,822 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:37,849 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:37,850 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:37,870 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:37,870 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:37,891 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:37,892 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:37,913 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:37,913 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:37,936 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:37,936 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:37,961 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:37,961 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:37,985 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:37,986 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,013 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,015 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,041 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,042 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,073 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,074 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,102 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,102 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,133 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,164 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,198 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,199 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,232 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,233 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,268 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,269 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,303 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,304 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,340 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,341 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,418 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,418 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,456 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,457 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,497 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,498 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,536 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,536 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,587 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,588 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,641 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,642 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,694 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,695 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,755 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,756 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,870 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,870 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:38,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:39,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:39,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [94363739] [2021-02-21 21:16:39,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:39,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-02-21 21:16:39,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136974255] [2021-02-21 21:16:39,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-02-21 21:16:39,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:39,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-02-21 21:16:39,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=1005, Unknown=0, NotChecked=0, Total=1332 [2021-02-21 21:16:39,019 INFO L87 Difference]: Start difference. First operand 148 states and 153 transitions. Second operand 37 states. [2021-02-21 21:16:41,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:41,041 INFO L93 Difference]: Finished difference Result 195 states and 205 transitions. [2021-02-21 21:16:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-02-21 21:16:41,042 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 137 [2021-02-21 21:16:41,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:41,043 INFO L225 Difference]: With dead ends: 195 [2021-02-21 21:16:41,043 INFO L226 Difference]: Without dead ends: 158 [2021-02-21 21:16:41,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1445, Invalid=3525, Unknown=0, NotChecked=0, Total=4970 [2021-02-21 21:16:41,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-02-21 21:16:41,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 154. [2021-02-21 21:16:41,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2021-02-21 21:16:41,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 159 transitions. [2021-02-21 21:16:41,065 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 159 transitions. Word has length 137 [2021-02-21 21:16:41,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:41,065 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 159 transitions. [2021-02-21 21:16:41,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 37 states. [2021-02-21 21:16:41,065 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 159 transitions. [2021-02-21 21:16:41,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-02-21 21:16:41,067 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:41,067 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] [2021-02-21 21:16:41,067 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-02-21 21:16:41,067 INFO L428 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:41,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:41,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1051589168, now seen corresponding path program 16 times [2021-02-21 21:16:41,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:41,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069124886] [2021-02-21 21:16:41,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:41,079 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:41,080 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:41,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:41,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:41,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:41,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:41,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:41,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:41,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:41,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:41,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:41,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:41,260 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:41,261 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:41,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,288 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,289 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,332 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,333 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,355 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,377 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,378 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,400 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,401 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,425 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,426 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,451 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,452 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,479 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,515 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,516 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,543 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,544 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,571 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,572 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,602 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,602 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,634 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,635 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,669 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,669 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,703 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,704 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,742 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,781 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,782 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,819 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,820 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,860 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,861 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,901 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,901 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,941 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,942 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:41,984 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:41,985 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,026 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,027 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,073 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,074 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,125 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,125 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,178 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,232 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,233 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,287 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,288 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,345 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,346 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,394 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,395 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,454 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:42,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:42,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069124886] [2021-02-21 21:16:42,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:42,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-02-21 21:16:42,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058065721] [2021-02-21 21:16:42,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-02-21 21:16:42,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:42,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-02-21 21:16:42,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=1118, Unknown=0, NotChecked=0, Total=1482 [2021-02-21 21:16:42,612 INFO L87 Difference]: Start difference. First operand 154 states and 159 transitions. Second operand 39 states. [2021-02-21 21:16:45,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:45,095 INFO L93 Difference]: Finished difference Result 201 states and 211 transitions. [2021-02-21 21:16:45,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-02-21 21:16:45,096 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 143 [2021-02-21 21:16:45,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:45,097 INFO L225 Difference]: With dead ends: 201 [2021-02-21 21:16:45,097 INFO L226 Difference]: Without dead ends: 164 [2021-02-21 21:16:45,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1619, Invalid=3931, Unknown=0, NotChecked=0, Total=5550 [2021-02-21 21:16:45,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-02-21 21:16:45,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2021-02-21 21:16:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2021-02-21 21:16:45,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 165 transitions. [2021-02-21 21:16:45,120 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 165 transitions. Word has length 143 [2021-02-21 21:16:45,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:45,121 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 165 transitions. [2021-02-21 21:16:45,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 39 states. [2021-02-21 21:16:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2021-02-21 21:16:45,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-02-21 21:16:45,122 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:45,123 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] [2021-02-21 21:16:45,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-02-21 21:16:45,123 INFO L428 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:45,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:45,124 INFO L82 PathProgramCache]: Analyzing trace with hash -458277300, now seen corresponding path program 17 times [2021-02-21 21:16:45,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:45,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [18753060] [2021-02-21 21:16:45,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:45,135 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:45,137 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:45,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:45,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:45,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:45,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:45,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:45,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:45,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:45,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:45,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:45,339 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:45,339 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:45,348 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,365 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,385 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,386 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,407 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,408 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,430 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,431 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,452 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,452 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,475 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,475 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,499 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,500 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,525 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,525 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,551 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,552 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,579 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,579 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,608 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,608 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,636 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,637 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,668 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,669 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,698 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,698 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,730 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,731 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,770 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,770 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,810 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,811 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,852 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,852 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,895 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,897 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,941 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,942 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:45,986 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:45,986 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,033 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,034 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,082 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,083 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,128 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,129 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,178 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,228 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,230 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,282 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,282 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,335 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,336 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,391 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,392 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,450 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,509 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,511 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,571 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,571 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,639 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,701 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,702 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:46,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:46,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:46,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [18753060] [2021-02-21 21:16:46,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:46,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2021-02-21 21:16:46,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739784866] [2021-02-21 21:16:46,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-02-21 21:16:46,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:46,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-02-21 21:16:46,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=403, Invalid=1237, Unknown=0, NotChecked=0, Total=1640 [2021-02-21 21:16:46,867 INFO L87 Difference]: Start difference. First operand 160 states and 165 transitions. Second operand 41 states. [2021-02-21 21:16:49,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:49,393 INFO L93 Difference]: Finished difference Result 207 states and 217 transitions. [2021-02-21 21:16:49,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-02-21 21:16:49,394 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 149 [2021-02-21 21:16:49,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:49,395 INFO L225 Difference]: With dead ends: 207 [2021-02-21 21:16:49,396 INFO L226 Difference]: Without dead ends: 170 [2021-02-21 21:16:49,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1074 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1803, Invalid=4359, Unknown=0, NotChecked=0, Total=6162 [2021-02-21 21:16:49,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-02-21 21:16:49,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 166. [2021-02-21 21:16:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2021-02-21 21:16:49,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 171 transitions. [2021-02-21 21:16:49,424 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 171 transitions. Word has length 149 [2021-02-21 21:16:49,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:49,424 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 171 transitions. [2021-02-21 21:16:49,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2021-02-21 21:16:49,424 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 171 transitions. [2021-02-21 21:16:49,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-02-21 21:16:49,425 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:49,425 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] [2021-02-21 21:16:49,425 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-02-21 21:16:49,426 INFO L428 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:49,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:49,426 INFO L82 PathProgramCache]: Analyzing trace with hash 920386920, now seen corresponding path program 18 times [2021-02-21 21:16:49,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:49,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461097733] [2021-02-21 21:16:49,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:49,437 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:49,439 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:49,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:49,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:49,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:49,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:49,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:49,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:49,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:49,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:49,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:49,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:49,640 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:49,641 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:49,650 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:49,651 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:49,669 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:49,670 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:49,689 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:49,690 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:49,710 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:49,711 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:49,732 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:49,733 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:49,755 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:49,756 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:49,781 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:49,782 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:49,808 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:49,808 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:49,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:49,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:49,864 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:49,864 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:49,892 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:49,893 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:49,924 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:49,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:49,955 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:49,956 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:49,993 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:49,994 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,026 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,027 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,057 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,058 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,091 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,092 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,132 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,132 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,174 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,174 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,218 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,219 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,271 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,272 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,319 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,364 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,364 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,408 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,409 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,505 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,506 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,556 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,557 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,610 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,611 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,665 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,666 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,780 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,781 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,840 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,841 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,901 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:50,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:50,959 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,022 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,085 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,085 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,150 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,153 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:51,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:51,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:51,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461097733] [2021-02-21 21:16:51,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:51,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2021-02-21 21:16:51,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888344660] [2021-02-21 21:16:51,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-02-21 21:16:51,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:51,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-02-21 21:16:51,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=1362, Unknown=0, NotChecked=0, Total=1806 [2021-02-21 21:16:51,329 INFO L87 Difference]: Start difference. First operand 166 states and 171 transitions. Second operand 43 states. [2021-02-21 21:16:54,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:54,024 INFO L93 Difference]: Finished difference Result 213 states and 223 transitions. [2021-02-21 21:16:54,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-02-21 21:16:54,026 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 155 [2021-02-21 21:16:54,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:54,028 INFO L225 Difference]: With dead ends: 213 [2021-02-21 21:16:54,028 INFO L226 Difference]: Without dead ends: 176 [2021-02-21 21:16:54,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1191 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1997, Invalid=4809, Unknown=0, NotChecked=0, Total=6806 [2021-02-21 21:16:54,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-02-21 21:16:54,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2021-02-21 21:16:54,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2021-02-21 21:16:54,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 177 transitions. [2021-02-21 21:16:54,064 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 177 transitions. Word has length 155 [2021-02-21 21:16:54,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:54,064 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 177 transitions. [2021-02-21 21:16:54,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 43 states. [2021-02-21 21:16:54,065 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2021-02-21 21:16:54,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-02-21 21:16:54,066 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:54,066 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] [2021-02-21 21:16:54,066 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-02-21 21:16:54,066 INFO L428 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:54,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:54,067 INFO L82 PathProgramCache]: Analyzing trace with hash -949225596, now seen corresponding path program 19 times [2021-02-21 21:16:54,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:54,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601944222] [2021-02-21 21:16:54,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:54,080 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:54,085 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:54,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:54,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:54,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:54,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:54,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:54,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:54,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:54,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:54,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:54,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:54,311 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:54,311 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:54,320 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,321 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,339 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,340 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,359 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,360 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,382 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,383 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,408 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,408 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,435 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,461 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,461 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,487 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,488 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,516 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,516 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,544 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,545 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,574 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,575 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,603 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,603 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,632 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,633 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,664 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,665 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,697 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,698 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,732 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,732 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,766 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,801 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,801 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,835 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,836 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,870 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,917 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,918 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:54,963 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:54,963 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,014 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,065 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,066 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,114 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,114 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,166 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,167 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,219 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,220 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,274 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,275 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,340 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,347 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,397 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,397 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,454 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,455 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,514 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,515 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,574 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,574 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,636 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,637 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,699 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,700 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,766 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,831 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,833 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,899 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,899 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,967 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,967 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:56,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:56,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:56,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601944222] [2021-02-21 21:16:56,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:56,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2021-02-21 21:16:56,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069583767] [2021-02-21 21:16:56,157 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-02-21 21:16:56,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:56,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-02-21 21:16:56,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=487, Invalid=1493, Unknown=0, NotChecked=0, Total=1980 [2021-02-21 21:16:56,158 INFO L87 Difference]: Start difference. First operand 172 states and 177 transitions. Second operand 45 states. [2021-02-21 21:16:59,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:59,072 INFO L93 Difference]: Finished difference Result 219 states and 229 transitions. [2021-02-21 21:16:59,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-02-21 21:16:59,076 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 161 [2021-02-21 21:16:59,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:59,078 INFO L225 Difference]: With dead ends: 219 [2021-02-21 21:16:59,078 INFO L226 Difference]: Without dead ends: 182 [2021-02-21 21:16:59,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1314 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=2201, Invalid=5281, Unknown=0, NotChecked=0, Total=7482 [2021-02-21 21:16:59,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-02-21 21:16:59,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 178. [2021-02-21 21:16:59,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2021-02-21 21:16:59,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 183 transitions. [2021-02-21 21:16:59,111 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 183 transitions. Word has length 161 [2021-02-21 21:16:59,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:59,112 INFO L480 AbstractCegarLoop]: Abstraction has 178 states and 183 transitions. [2021-02-21 21:16:59,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 45 states. [2021-02-21 21:16:59,112 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 183 transitions. [2021-02-21 21:16:59,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-02-21 21:16:59,113 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:59,113 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] [2021-02-21 21:16:59,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-02-21 21:16:59,114 INFO L428 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:59,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:59,114 INFO L82 PathProgramCache]: Analyzing trace with hash 264694944, now seen corresponding path program 20 times [2021-02-21 21:16:59,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:59,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1496751475] [2021-02-21 21:16:59,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:59,125 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:59,127 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:59,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:59,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:59,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:59,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:59,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:59,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:59,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:59,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:59,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:59,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:59,368 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:59,368 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:59,377 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,378 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,403 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,404 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,427 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,428 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,454 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,455 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,482 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,482 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,513 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,513 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,537 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,538 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,562 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,563 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,591 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,591 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,618 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,647 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,648 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,677 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,678 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,708 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,709 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,741 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,772 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,773 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,806 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,807 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,839 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,840 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,876 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,913 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,953 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,953 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:59,993 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:59,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,035 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,036 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,077 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,120 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,121 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,164 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,164 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,209 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,209 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,255 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,255 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,362 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,432 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,433 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,493 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,494 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,551 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,552 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,618 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,681 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,682 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,742 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,743 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,802 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,803 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,867 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,868 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,934 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,934 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:00,996 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:00,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,060 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,061 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,133 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:01,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:17:01,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1496751475] [2021-02-21 21:17:01,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:01,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2021-02-21 21:17:01,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442442249] [2021-02-21 21:17:01,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-02-21 21:17:01,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:01,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-02-21 21:17:01,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=532, Invalid=1630, Unknown=0, NotChecked=0, Total=2162 [2021-02-21 21:17:01,339 INFO L87 Difference]: Start difference. First operand 178 states and 183 transitions. Second operand 47 states. [2021-02-21 21:17:04,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:04,682 INFO L93 Difference]: Finished difference Result 225 states and 235 transitions. [2021-02-21 21:17:04,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-02-21 21:17:04,683 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 167 [2021-02-21 21:17:04,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:04,684 INFO L225 Difference]: With dead ends: 225 [2021-02-21 21:17:04,684 INFO L226 Difference]: Without dead ends: 188 [2021-02-21 21:17:04,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1443 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=2415, Invalid=5775, Unknown=0, NotChecked=0, Total=8190 [2021-02-21 21:17:04,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-02-21 21:17:04,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 184. [2021-02-21 21:17:04,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2021-02-21 21:17:04,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 189 transitions. [2021-02-21 21:17:04,715 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 189 transitions. Word has length 167 [2021-02-21 21:17:04,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:04,716 INFO L480 AbstractCegarLoop]: Abstraction has 184 states and 189 transitions. [2021-02-21 21:17:04,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 47 states. [2021-02-21 21:17:04,716 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 189 transitions. [2021-02-21 21:17:04,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-02-21 21:17:04,717 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:04,717 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] [2021-02-21 21:17:04,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-02-21 21:17:04,718 INFO L428 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:04,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:04,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1283759292, now seen corresponding path program 21 times [2021-02-21 21:17:04,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:04,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1682697928] [2021-02-21 21:17:04,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:04,730 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:04,731 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:04,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:04,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:04,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:04,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:04,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:04,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:04,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:04,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:04,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:04,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:04,969 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:04,969 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:04,978 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:04,979 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:04,999 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:04,999 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,022 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,044 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,045 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,067 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,068 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,090 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,091 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,115 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,115 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,140 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,167 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,168 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,195 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,195 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,223 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,224 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,254 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,255 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,285 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,286 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,319 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,349 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,384 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,385 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,421 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,495 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,496 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,548 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,597 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,598 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,647 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,648 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,737 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,738 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,780 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,780 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,823 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,824 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,867 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,868 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,913 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:05,963 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:05,964 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,019 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,019 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,076 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,076 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,135 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,136 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,195 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,196 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,257 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,258 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,320 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,321 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,385 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,386 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,450 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,451 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,516 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,517 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,584 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,584 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,652 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,653 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,721 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,792 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,793 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,867 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,868 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,942 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,945 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:07,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:07,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:17:07,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1682697928] [2021-02-21 21:17:07,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:07,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2021-02-21 21:17:07,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130222053] [2021-02-21 21:17:07,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-02-21 21:17:07,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:07,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-02-21 21:17:07,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=1773, Unknown=0, NotChecked=0, Total=2352 [2021-02-21 21:17:07,165 INFO L87 Difference]: Start difference. First operand 184 states and 189 transitions. Second operand 49 states. [2021-02-21 21:17:10,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:10,877 INFO L93 Difference]: Finished difference Result 231 states and 241 transitions. [2021-02-21 21:17:10,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-02-21 21:17:10,878 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 173 [2021-02-21 21:17:10,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:10,879 INFO L225 Difference]: With dead ends: 231 [2021-02-21 21:17:10,879 INFO L226 Difference]: Without dead ends: 194 [2021-02-21 21:17:10,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1578 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=2639, Invalid=6291, Unknown=0, NotChecked=0, Total=8930 [2021-02-21 21:17:10,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-02-21 21:17:10,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 190. [2021-02-21 21:17:10,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2021-02-21 21:17:10,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 195 transitions. [2021-02-21 21:17:10,918 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 195 transitions. Word has length 173 [2021-02-21 21:17:10,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:10,919 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 195 transitions. [2021-02-21 21:17:10,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 49 states. [2021-02-21 21:17:10,919 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 195 transitions. [2021-02-21 21:17:10,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-21 21:17:10,921 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:10,921 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] [2021-02-21 21:17:10,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-02-21 21:17:10,921 INFO L428 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:10,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:10,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1500301272, now seen corresponding path program 22 times [2021-02-21 21:17:10,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:10,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483333455] [2021-02-21 21:17:10,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:10,938 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:10,940 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:11,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:11,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:11,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:11,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:11,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:11,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:11,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:11,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:11,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:11,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:11,179 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:11,180 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:11,189 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,189 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,207 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,208 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,226 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,247 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,269 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,270 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,293 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,293 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,316 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,317 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,346 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,347 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,377 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,412 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,444 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,445 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,480 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,481 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,520 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,596 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,597 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,636 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,636 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,677 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,681 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,767 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,771 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,811 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,855 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,856 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,903 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,907 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:11,954 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:11,955 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,005 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,006 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,064 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,065 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,117 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,118 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,171 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,172 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,226 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,226 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,283 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,283 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,341 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,342 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,401 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,402 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,462 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,463 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,524 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,525 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,587 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,588 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,653 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,722 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,789 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,790 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,860 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,861 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:12,930 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:12,930 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,002 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,002 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,075 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,076 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,149 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,150 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,302 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,303 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,380 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,381 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:13,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:13,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:17:13,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483333455] [2021-02-21 21:17:13,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:13,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-02-21 21:17:13,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080019752] [2021-02-21 21:17:13,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-02-21 21:17:13,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:13,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-02-21 21:17:13,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=628, Invalid=1922, Unknown=0, NotChecked=0, Total=2550 [2021-02-21 21:17:13,617 INFO L87 Difference]: Start difference. First operand 190 states and 195 transitions. Second operand 51 states. [2021-02-21 21:17:17,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:17,341 INFO L93 Difference]: Finished difference Result 237 states and 247 transitions. [2021-02-21 21:17:17,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-02-21 21:17:17,342 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 179 [2021-02-21 21:17:17,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:17,343 INFO L225 Difference]: With dead ends: 237 [2021-02-21 21:17:17,343 INFO L226 Difference]: Without dead ends: 200 [2021-02-21 21:17:17,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1719 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=2873, Invalid=6829, Unknown=0, NotChecked=0, Total=9702 [2021-02-21 21:17:17,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-02-21 21:17:17,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 196. [2021-02-21 21:17:17,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2021-02-21 21:17:17,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 201 transitions. [2021-02-21 21:17:17,378 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 201 transitions. Word has length 179 [2021-02-21 21:17:17,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:17,379 INFO L480 AbstractCegarLoop]: Abstraction has 196 states and 201 transitions. [2021-02-21 21:17:17,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 51 states. [2021-02-21 21:17:17,379 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 201 transitions. [2021-02-21 21:17:17,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-02-21 21:17:17,380 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:17,380 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] [2021-02-21 21:17:17,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-02-21 21:17:17,381 INFO L428 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:17,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:17,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1921569292, now seen corresponding path program 23 times [2021-02-21 21:17:17,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:17,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [854155380] [2021-02-21 21:17:17,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:17,392 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:17,393 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:17,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:17,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:17,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:17,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:17,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:17,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:17,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:17,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:17,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:17,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:17,638 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:17,638 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:17,649 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:17,649 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:17,667 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:17,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:17,689 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:17,689 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:17,712 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:17,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:17,737 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:17,738 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:17,763 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:17,764 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:17,788 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:17,788 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:17,816 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:17,817 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:17,845 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:17,845 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:17,877 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:17,878 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:17,908 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:17,909 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:17,937 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:17,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:17,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:17,972 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,005 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,038 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,039 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,073 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,073 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,111 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,112 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,151 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,152 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,194 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,195 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,234 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,235 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,276 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,277 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,322 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,322 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,365 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,412 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,458 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,458 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,521 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,575 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,576 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,632 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,632 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,688 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,689 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,747 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,748 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,872 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,873 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,934 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:18,934 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:18,999 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,000 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:19,063 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,064 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:19,132 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,132 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:19,200 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,203 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:19,269 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,269 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:19,339 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,340 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:19,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,412 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:19,482 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:19,555 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:19,634 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,635 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:19,716 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,718 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:19,797 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,798 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:19,878 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,879 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:19,960 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,961 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:20,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:20,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:17:20,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [854155380] [2021-02-21 21:17:20,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:20,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-02-21 21:17:20,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700193616] [2021-02-21 21:17:20,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-02-21 21:17:20,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:20,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-02-21 21:17:20,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=679, Invalid=2077, Unknown=0, NotChecked=0, Total=2756 [2021-02-21 21:17:20,220 INFO L87 Difference]: Start difference. First operand 196 states and 201 transitions. Second operand 53 states. [2021-02-21 21:17:24,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:24,424 INFO L93 Difference]: Finished difference Result 243 states and 253 transitions. [2021-02-21 21:17:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-02-21 21:17:24,424 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 185 [2021-02-21 21:17:24,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:24,426 INFO L225 Difference]: With dead ends: 243 [2021-02-21 21:17:24,426 INFO L226 Difference]: Without dead ends: 206 [2021-02-21 21:17:24,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1866 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=3117, Invalid=7389, Unknown=0, NotChecked=0, Total=10506 [2021-02-21 21:17:24,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-02-21 21:17:24,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 202. [2021-02-21 21:17:24,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2021-02-21 21:17:24,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 207 transitions. [2021-02-21 21:17:24,465 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 207 transitions. Word has length 185 [2021-02-21 21:17:24,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:24,466 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 207 transitions. [2021-02-21 21:17:24,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 53 states. [2021-02-21 21:17:24,466 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 207 transitions. [2021-02-21 21:17:24,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-02-21 21:17:24,467 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:24,467 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] [2021-02-21 21:17:24,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-02-21 21:17:24,468 INFO L428 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:24,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:24,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1765044464, now seen corresponding path program 24 times [2021-02-21 21:17:24,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:24,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748628027] [2021-02-21 21:17:24,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:24,479 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:24,480 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:24,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:24,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:24,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:24,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:24,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:24,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:24,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:24,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:24,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:24,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:24,713 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:24,713 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:24,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:24,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:24,742 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:24,743 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:24,763 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:24,764 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:24,785 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:24,786 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:24,811 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:24,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:24,838 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:24,839 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:24,865 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:24,866 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:24,894 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:24,895 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:24,925 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:24,926 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:24,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:24,958 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,010 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,011 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,045 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,046 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,082 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,083 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,124 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,167 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,168 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,212 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,213 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,259 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,260 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,307 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,356 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,357 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,407 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,407 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,454 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,500 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,501 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,551 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,551 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,604 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,605 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,654 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,655 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,704 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,705 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,757 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,815 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,816 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,870 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,931 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,932 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:25,992 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:25,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:26,056 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:26,057 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:26,120 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:26,121 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:26,187 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:26,188 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:26,256 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:26,259 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:26,324 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:26,324 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:26,393 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:26,394 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:26,464 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:26,464 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:26,535 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:26,536 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:26,618 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:26,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:26,692 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:26,693 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:26,767 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:26,768 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:26,844 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:26,845 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:26,923 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:26,923 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,004 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,084 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,085 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,165 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,251 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,251 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,336 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,337 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:27,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:27,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:17:27,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748628027] [2021-02-21 21:17:27,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:27,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [] total 55 [2021-02-21 21:17:27,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302004200] [2021-02-21 21:17:27,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-02-21 21:17:27,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:27,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-02-21 21:17:27,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=732, Invalid=2238, Unknown=0, NotChecked=0, Total=2970 [2021-02-21 21:17:27,605 INFO L87 Difference]: Start difference. First operand 202 states and 207 transitions. Second operand 55 states. [2021-02-21 21:17:31,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:31,938 INFO L93 Difference]: Finished difference Result 249 states and 259 transitions. [2021-02-21 21:17:31,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-02-21 21:17:31,939 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 191 [2021-02-21 21:17:31,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:31,941 INFO L225 Difference]: With dead ends: 249 [2021-02-21 21:17:31,941 INFO L226 Difference]: Without dead ends: 212 [2021-02-21 21:17:31,943 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2019 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=3371, Invalid=7971, Unknown=0, NotChecked=0, Total=11342 [2021-02-21 21:17:31,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-02-21 21:17:31,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 208. [2021-02-21 21:17:31,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2021-02-21 21:17:31,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 213 transitions. [2021-02-21 21:17:31,973 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 213 transitions. Word has length 191 [2021-02-21 21:17:31,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:31,973 INFO L480 AbstractCegarLoop]: Abstraction has 208 states and 213 transitions. [2021-02-21 21:17:31,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 55 states. [2021-02-21 21:17:31,973 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 213 transitions. [2021-02-21 21:17:31,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-02-21 21:17:31,974 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:31,975 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] [2021-02-21 21:17:31,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-02-21 21:17:31,975 INFO L428 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:31,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:31,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1455532844, now seen corresponding path program 25 times [2021-02-21 21:17:31,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:31,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1773836347] [2021-02-21 21:17:31,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:31,986 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:31,987 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:32,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:32,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:32,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:32,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:32,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:32,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:32,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:32,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:32,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:32,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:32,208 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:32,208 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:32,217 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,218 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,236 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,236 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,256 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,256 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,281 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,281 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,309 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,339 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,339 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,370 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,371 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,404 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,405 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,436 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,437 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,472 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,472 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,508 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,509 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,548 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,587 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,588 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,630 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,631 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,674 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,675 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,719 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,720 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,766 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,766 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,811 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,860 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,861 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,911 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,912 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:32,963 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:32,964 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,019 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,021 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,072 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,073 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,137 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,138 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,193 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,194 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,251 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,252 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,369 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,369 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,430 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,431 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,494 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,495 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,559 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,559 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,624 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,625 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,694 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,697 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,768 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,771 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,836 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,837 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,909 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,910 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:33,986 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:33,989 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,062 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,063 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,138 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,139 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,217 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,218 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,297 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,378 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,379 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,462 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,463 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,553 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,554 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,638 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,639 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,730 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,813 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,814 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,897 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,898 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,969 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,970 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,041 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,042 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,128 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,128 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:35,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:35,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:17:35,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1773836347] [2021-02-21 21:17:35,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:35,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [57] imperfect sequences [] total 57 [2021-02-21 21:17:35,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263718137] [2021-02-21 21:17:35,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-02-21 21:17:35,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:35,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-02-21 21:17:35,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=787, Invalid=2405, Unknown=0, NotChecked=0, Total=3192 [2021-02-21 21:17:35,413 INFO L87 Difference]: Start difference. First operand 208 states and 213 transitions. Second operand 57 states. [2021-02-21 21:17:40,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:40,253 INFO L93 Difference]: Finished difference Result 255 states and 265 transitions. [2021-02-21 21:17:40,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-02-21 21:17:40,253 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 197 [2021-02-21 21:17:40,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:40,256 INFO L225 Difference]: With dead ends: 255 [2021-02-21 21:17:40,256 INFO L226 Difference]: Without dead ends: 218 [2021-02-21 21:17:40,258 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2178 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=3635, Invalid=8575, Unknown=0, NotChecked=0, Total=12210 [2021-02-21 21:17:40,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-02-21 21:17:40,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2021-02-21 21:17:40,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2021-02-21 21:17:40,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 219 transitions. [2021-02-21 21:17:40,303 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 219 transitions. Word has length 197 [2021-02-21 21:17:40,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:40,303 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 219 transitions. [2021-02-21 21:17:40,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 57 states. [2021-02-21 21:17:40,304 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 219 transitions. [2021-02-21 21:17:40,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-02-21 21:17:40,305 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:40,305 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] [2021-02-21 21:17:40,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-02-21 21:17:40,305 INFO L428 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:40,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:40,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1109310904, now seen corresponding path program 26 times [2021-02-21 21:17:40,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:40,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599330829] [2021-02-21 21:17:40,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:40,319 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:40,321 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:40,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:40,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:40,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:40,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:40,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:40,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:40,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:40,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:40,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:40,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:40,590 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:40,591 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:40,601 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:40,601 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:40,623 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:40,624 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:40,646 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:40,647 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:40,669 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:40,669 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:40,693 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:40,694 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:40,718 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:40,719 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:40,745 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:40,746 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:40,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:40,775 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:40,802 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:40,803 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:40,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:40,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:40,864 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:40,864 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:40,898 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:40,899 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:40,930 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:40,930 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:40,967 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:40,968 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,004 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,045 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,046 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,090 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,091 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,133 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,134 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,176 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,177 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,226 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,278 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,279 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,332 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,332 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,387 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,388 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,444 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,445 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,514 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,515 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,573 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,573 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,632 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,633 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,694 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,695 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,756 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,757 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,820 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,821 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,886 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,887 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:41,951 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:41,952 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,011 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,012 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,080 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,081 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,153 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,153 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,227 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,228 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,302 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,303 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,459 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,460 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,539 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,540 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,619 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,620 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,701 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,702 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,785 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,786 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,871 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,872 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,962 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,962 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,036 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,124 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,213 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,296 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,296 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,382 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,383 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,475 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,476 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,572 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,572 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,672 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,672 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:43,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:43,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:17:43,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599330829] [2021-02-21 21:17:43,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:43,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [] total 59 [2021-02-21 21:17:43,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267602854] [2021-02-21 21:17:43,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-02-21 21:17:43,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:43,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-02-21 21:17:43,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=844, Invalid=2578, Unknown=0, NotChecked=0, Total=3422 [2021-02-21 21:17:43,985 INFO L87 Difference]: Start difference. First operand 214 states and 219 transitions. Second operand 59 states. [2021-02-21 21:17:49,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:49,524 INFO L93 Difference]: Finished difference Result 261 states and 271 transitions. [2021-02-21 21:17:49,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-02-21 21:17:49,525 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 203 [2021-02-21 21:17:49,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:49,527 INFO L225 Difference]: With dead ends: 261 [2021-02-21 21:17:49,527 INFO L226 Difference]: Without dead ends: 224 [2021-02-21 21:17:49,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2343 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=3909, Invalid=9201, Unknown=0, NotChecked=0, Total=13110 [2021-02-21 21:17:49,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-02-21 21:17:49,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 220. [2021-02-21 21:17:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2021-02-21 21:17:49,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 225 transitions. [2021-02-21 21:17:49,569 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 225 transitions. Word has length 203 [2021-02-21 21:17:49,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:49,569 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 225 transitions. [2021-02-21 21:17:49,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 59 states. [2021-02-21 21:17:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 225 transitions. [2021-02-21 21:17:49,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-02-21 21:17:49,570 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:49,571 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] [2021-02-21 21:17:49,571 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-02-21 21:17:49,571 INFO L428 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:49,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:49,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1478355868, now seen corresponding path program 27 times [2021-02-21 21:17:49,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:49,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551518019] [2021-02-21 21:17:49,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:49,582 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:49,583 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:49,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:49,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:49,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:49,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:49,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:49,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:49,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:49,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:49,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:49,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:49,825 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:49,825 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:49,835 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:49,836 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:49,855 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:49,855 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:49,876 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:49,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:49,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:49,900 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:49,924 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:49,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:49,951 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:49,952 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:49,977 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:49,977 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,005 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,006 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,036 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,069 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,070 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,103 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,104 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,135 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,135 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,168 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,169 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,206 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,249 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,250 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,293 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,293 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,338 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,339 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,386 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,387 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,439 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,440 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,491 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,492 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,543 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,544 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,597 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,597 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,650 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,651 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,707 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,708 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,764 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,765 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,823 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,882 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,887 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:50,953 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:50,955 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,015 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,079 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,215 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,216 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,284 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,285 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,356 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,357 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,435 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,436 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,509 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,510 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,583 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,584 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,660 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,661 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,737 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,738 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,816 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,817 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,894 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,895 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,976 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,976 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,058 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,059 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,145 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,146 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,233 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,234 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,321 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,323 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,411 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,500 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,501 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,590 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,591 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,681 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,682 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,777 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,778 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,875 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,976 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,977 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,072 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,073 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,181 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:53,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:53,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:17:53,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [551518019] [2021-02-21 21:17:53,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:53,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [61] imperfect sequences [] total 61 [2021-02-21 21:17:53,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900832384] [2021-02-21 21:17:53,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-02-21 21:17:53,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:53,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-02-21 21:17:53,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=2757, Unknown=0, NotChecked=0, Total=3660 [2021-02-21 21:17:53,500 INFO L87 Difference]: Start difference. First operand 220 states and 225 transitions. Second operand 61 states. [2021-02-21 21:17:58,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:58,961 INFO L93 Difference]: Finished difference Result 267 states and 277 transitions. [2021-02-21 21:17:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-02-21 21:17:58,962 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 209 [2021-02-21 21:17:58,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:58,963 INFO L225 Difference]: With dead ends: 267 [2021-02-21 21:17:58,963 INFO L226 Difference]: Without dead ends: 230 [2021-02-21 21:17:58,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2514 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=4193, Invalid=9849, Unknown=0, NotChecked=0, Total=14042 [2021-02-21 21:17:58,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-02-21 21:17:59,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 226. [2021-02-21 21:17:59,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2021-02-21 21:17:59,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 231 transitions. [2021-02-21 21:17:59,007 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 231 transitions. Word has length 209 [2021-02-21 21:17:59,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:59,008 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 231 transitions. [2021-02-21 21:17:59,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 61 states. [2021-02-21 21:17:59,008 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 231 transitions. [2021-02-21 21:17:59,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-02-21 21:17:59,009 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:59,009 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] [2021-02-21 21:17:59,010 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-02-21 21:17:59,010 INFO L428 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:59,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:59,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1213472384, now seen corresponding path program 28 times [2021-02-21 21:17:59,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:59,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [72252473] [2021-02-21 21:17:59,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:59,021 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:59,022 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:59,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:59,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:59,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:59,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:59,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:59,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:59,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:59,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:59,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:59,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:59,285 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:59,286 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:59,300 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,301 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,326 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,327 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,355 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,384 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,385 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,415 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,416 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,449 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,450 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,487 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,487 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,525 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,525 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,555 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,593 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,594 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,628 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,629 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,685 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,685 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,721 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,758 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,796 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,797 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,875 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,919 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,919 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:59,970 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:59,971 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,067 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,068 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,113 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,114 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,160 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,161 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,209 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,209 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,266 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,267 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,326 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,327 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,386 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,387 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,447 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,448 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,510 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,511 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,575 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,576 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,641 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,642 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,708 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,709 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,776 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,777 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,846 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,847 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,919 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,919 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:00,992 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:00,992 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,066 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,067 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,143 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,144 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,220 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,310 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,395 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,396 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,480 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,481 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,564 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,565 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,650 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,651 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,736 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,737 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,824 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,913 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,913 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,002 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,003 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,094 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,188 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,189 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,284 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,285 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,477 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,478 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,576 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,579 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,677 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,677 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,778 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,779 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,881 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,881 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:02,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:18:03,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:18:03,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [72252473] [2021-02-21 21:18:03,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:18:03,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2021-02-21 21:18:03,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964319377] [2021-02-21 21:18:03,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-02-21 21:18:03,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:18:03,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-02-21 21:18:03,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=964, Invalid=2942, Unknown=0, NotChecked=0, Total=3906 [2021-02-21 21:18:03,222 INFO L87 Difference]: Start difference. First operand 226 states and 231 transitions. Second operand 63 states. [2021-02-21 21:18:09,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:18:09,330 INFO L93 Difference]: Finished difference Result 273 states and 283 transitions. [2021-02-21 21:18:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-02-21 21:18:09,331 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 215 [2021-02-21 21:18:09,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:18:09,333 INFO L225 Difference]: With dead ends: 273 [2021-02-21 21:18:09,334 INFO L226 Difference]: Without dead ends: 236 [2021-02-21 21:18:09,335 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 [2021-02-21 21:18:09,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-02-21 21:18:09,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 232. [2021-02-21 21:18:09,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2021-02-21 21:18:09,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 237 transitions. [2021-02-21 21:18:09,374 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 237 transitions. Word has length 215 [2021-02-21 21:18:09,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:18:09,375 INFO L480 AbstractCegarLoop]: Abstraction has 232 states and 237 transitions. [2021-02-21 21:18:09,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 63 states. [2021-02-21 21:18:09,375 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 237 transitions. [2021-02-21 21:18:09,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-02-21 21:18:09,376 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:18:09,376 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] [2021-02-21 21:18:09,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-02-21 21:18:09,376 INFO L428 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:18:09,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:18:09,377 INFO L82 PathProgramCache]: Analyzing trace with hash 861301148, now seen corresponding path program 29 times [2021-02-21 21:18:09,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:18:09,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41322665] [2021-02-21 21:18:09,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:18:09,388 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:18:09,389 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:18:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:09,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:09,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:09,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:09,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:09,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:18:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:09,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:09,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:09,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:18:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:09,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:09,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:09,659 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:18:09,660 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:18:09,671 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:09,671 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:09,693 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:09,694 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:09,716 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:09,716 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:09,740 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:09,741 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:09,767 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:09,768 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:09,797 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:09,798 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:09,828 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:09,829 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:09,863 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:09,864 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:09,896 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:09,897 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:09,930 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:09,931 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:09,962 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:09,963 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:09,998 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:09,999 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,036 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,074 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,075 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,114 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,114 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,157 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,158 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,205 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,299 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,300 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,347 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,347 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,394 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,394 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,502 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,503 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,560 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,560 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,619 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,680 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,680 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,742 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,806 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,807 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,872 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,873 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:10,947 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:10,948 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,018 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,019 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,092 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,092 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,163 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,239 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,241 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,323 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,323 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,400 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,559 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,560 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,642 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,642 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,725 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,726 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,809 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,898 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,899 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,987 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,988 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,079 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,170 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,171 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,265 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,265 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,357 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,358 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,455 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,456 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,555 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,556 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,652 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,653 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,749 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,852 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,853 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,957 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,959 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,054 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,054 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,164 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,165 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,274 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,274 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,383 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,385 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,495 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,496 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,609 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,610 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:13,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:18:13,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:18:13,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41322665] [2021-02-21 21:18:13,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:18:13,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [65] imperfect sequences [] total 65 [2021-02-21 21:18:13,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072333837] [2021-02-21 21:18:13,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-02-21 21:18:13,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:18:13,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-02-21 21:18:13,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1027, Invalid=3133, Unknown=0, NotChecked=0, Total=4160 [2021-02-21 21:18:13,968 INFO L87 Difference]: Start difference. First operand 232 states and 237 transitions. Second operand 65 states. [2021-02-21 21:18:20,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:18:20,127 INFO L93 Difference]: Finished difference Result 279 states and 289 transitions. [2021-02-21 21:18:20,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-02-21 21:18:20,128 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 221 [2021-02-21 21:18:20,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:18:20,130 INFO L225 Difference]: With dead ends: 279 [2021-02-21 21:18:20,131 INFO L226 Difference]: Without dead ends: 242 [2021-02-21 21:18:20,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2874 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=4791, Invalid=11211, Unknown=0, NotChecked=0, Total=16002 [2021-02-21 21:18:20,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-02-21 21:18:20,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 238. [2021-02-21 21:18:20,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2021-02-21 21:18:20,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 243 transitions. [2021-02-21 21:18:20,176 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 243 transitions. Word has length 221 [2021-02-21 21:18:20,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:18:20,176 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 243 transitions. [2021-02-21 21:18:20,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 65 states. [2021-02-21 21:18:20,177 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 243 transitions. [2021-02-21 21:18:20,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-02-21 21:18:20,178 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:18:20,178 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] [2021-02-21 21:18:20,178 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-02-21 21:18:20,178 INFO L428 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:18:20,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:18:20,178 INFO L82 PathProgramCache]: Analyzing trace with hash -534156104, now seen corresponding path program 30 times [2021-02-21 21:18:20,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:18:20,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100141861] [2021-02-21 21:18:20,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:18:20,190 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:18:20,191 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:18:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:20,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:20,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:20,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:20,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:20,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:18:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:20,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:20,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:20,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:18:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:20,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:20,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:20,471 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:18:20,472 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:18:20,483 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:20,484 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:20,504 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:20,505 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:20,528 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:20,529 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:20,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:20,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:20,586 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:20,587 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:20,617 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:20,618 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:20,652 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:20,652 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:20,688 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:20,689 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:20,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:20,726 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:20,763 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:20,764 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:20,801 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:20,802 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:20,843 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:20,844 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:20,882 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:20,882 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:20,921 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:20,922 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:20,965 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:20,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,006 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,007 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,051 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,051 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,100 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,101 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,161 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,162 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,222 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,222 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,273 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,274 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,330 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,330 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,382 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,383 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,454 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,455 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,515 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,516 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,577 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,578 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,644 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,645 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,777 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,778 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,847 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,847 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,918 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,984 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,985 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,048 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,049 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,113 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,114 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,180 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,181 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,252 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,253 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,331 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,332 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,413 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,414 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,497 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,498 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,583 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,583 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,670 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,670 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,758 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,848 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,849 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,940 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,940 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,035 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,036 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,129 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,129 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,235 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,236 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,335 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,336 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,435 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,436 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,539 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,539 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,642 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,643 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,748 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,748 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,851 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,852 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,957 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,958 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,066 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,067 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,175 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,176 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,285 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,286 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,397 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,398 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,512 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,513 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,627 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,628 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,745 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,746 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:24,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:18:25,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:18:25,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100141861] [2021-02-21 21:18:25,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:18:25,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2021-02-21 21:18:25,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260018609] [2021-02-21 21:18:25,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-02-21 21:18:25,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:18:25,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-02-21 21:18:25,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1092, Invalid=3330, Unknown=0, NotChecked=0, Total=4422 [2021-02-21 21:18:25,130 INFO L87 Difference]: Start difference. First operand 238 states and 243 transitions. Second operand 67 states. [2021-02-21 21:18:32,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:18:32,031 INFO L93 Difference]: Finished difference Result 285 states and 295 transitions. [2021-02-21 21:18:32,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-02-21 21:18:32,032 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 227 [2021-02-21 21:18:32,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:18:32,034 INFO L225 Difference]: With dead ends: 285 [2021-02-21 21:18:32,034 INFO L226 Difference]: Without dead ends: 248 [2021-02-21 21:18:32,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3063 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=5105, Invalid=11925, Unknown=0, NotChecked=0, Total=17030 [2021-02-21 21:18:32,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-02-21 21:18:32,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 244. [2021-02-21 21:18:32,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2021-02-21 21:18:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 249 transitions. [2021-02-21 21:18:32,104 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 249 transitions. Word has length 227 [2021-02-21 21:18:32,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:18:32,105 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 249 transitions. [2021-02-21 21:18:32,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 67 states. [2021-02-21 21:18:32,105 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 249 transitions. [2021-02-21 21:18:32,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-02-21 21:18:32,107 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:18:32,107 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] [2021-02-21 21:18:32,107 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-02-21 21:18:32,107 INFO L428 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:18:32,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:18:32,108 INFO L82 PathProgramCache]: Analyzing trace with hash -560157996, now seen corresponding path program 31 times [2021-02-21 21:18:32,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:18:32,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115633599] [2021-02-21 21:18:32,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:18:32,121 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:18:32,122 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:18:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:32,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:32,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:32,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:32,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:32,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:18:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:32,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:32,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:32,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:18:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:32,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:32,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:32,385 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:18:32,385 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:18:32,396 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,397 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,419 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,419 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,440 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,441 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,474 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,475 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,496 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,496 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,520 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,546 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,547 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,574 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,575 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,603 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,604 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,640 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,641 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,682 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,683 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,725 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,725 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,766 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,805 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,806 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,847 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,847 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,890 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,938 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,939 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:32,989 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:32,990 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,042 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,042 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,096 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,097 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,152 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,152 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,208 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,208 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,266 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,267 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,338 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,339 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,405 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,406 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,473 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,474 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,609 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,609 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,679 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,681 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,752 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,825 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,826 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,899 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,899 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,975 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,976 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,052 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,053 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,132 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,214 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,215 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,296 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,297 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,381 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,382 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,469 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,470 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,559 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,560 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,650 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,651 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,838 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,839 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,933 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,934 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,029 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,029 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,125 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,126 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,221 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,233 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,331 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,332 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,431 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,432 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,534 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,535 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,640 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,641 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,747 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,748 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,855 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,856 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,967 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,968 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,084 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,085 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,198 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,199 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,312 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,312 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,428 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,429 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,680 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,681 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,790 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,791 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,900 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:37,006 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:37,006 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:37,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:37,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:18:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:18:37,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [115633599] [2021-02-21 21:18:37,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:18:37,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [69] imperfect sequences [] total 69 [2021-02-21 21:18:37,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688533808] [2021-02-21 21:18:37,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-02-21 21:18:37,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:18:37,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-02-21 21:18:37,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1159, Invalid=3533, Unknown=0, NotChecked=0, Total=4692 [2021-02-21 21:18:37,402 INFO L87 Difference]: Start difference. First operand 244 states and 249 transitions. Second operand 69 states. [2021-02-21 21:18:44,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:18:44,882 INFO L93 Difference]: Finished difference Result 291 states and 301 transitions. [2021-02-21 21:18:44,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-02-21 21:18:44,883 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 233 [2021-02-21 21:18:44,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:18:44,885 INFO L225 Difference]: With dead ends: 291 [2021-02-21 21:18:44,885 INFO L226 Difference]: Without dead ends: 254 [2021-02-21 21:18:44,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3258 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=5429, Invalid=12661, Unknown=0, NotChecked=0, Total=18090 [2021-02-21 21:18:44,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-02-21 21:18:44,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 250. [2021-02-21 21:18:44,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-02-21 21:18:44,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 255 transitions. [2021-02-21 21:18:44,922 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 255 transitions. Word has length 233 [2021-02-21 21:18:44,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:18:44,923 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 255 transitions. [2021-02-21 21:18:44,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 69 states. [2021-02-21 21:18:44,923 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 255 transitions. [2021-02-21 21:18:44,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-21 21:18:44,924 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:18:44,924 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] [2021-02-21 21:18:44,924 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-02-21 21:18:44,924 INFO L428 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:18:44,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:18:44,924 INFO L82 PathProgramCache]: Analyzing trace with hash -2041060368, now seen corresponding path program 32 times [2021-02-21 21:18:44,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:18:44,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [94180137] [2021-02-21 21:18:44,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:18:44,936 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:18:44,938 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:18:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:45,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:45,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:45,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:45,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:45,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:18:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:45,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:45,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:45,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:18:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:45,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:45,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:45,220 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:18:45,220 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:18:45,233 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,233 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,260 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,261 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,324 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,324 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,354 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,386 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,387 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,421 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,456 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,457 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,519 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,520 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,556 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,557 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,599 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,600 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,638 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,639 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,678 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,680 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,724 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,725 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,769 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,770 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,821 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,822 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,872 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,873 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,926 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,927 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:45,982 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:45,983 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,040 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,098 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,099 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,159 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,160 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,283 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,284 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,345 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,346 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,412 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,549 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,550 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,618 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,688 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,760 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,761 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,908 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,909 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,983 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,984 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,061 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,062 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,140 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,304 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,305 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,400 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,401 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,486 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,487 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,572 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,573 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,665 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,669 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,759 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,760 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,851 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,851 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,943 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,949 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,029 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,029 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,116 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,117 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,199 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,200 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,297 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,398 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,399 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,497 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,498 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,599 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,600 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,703 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,704 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,810 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,811 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,916 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,917 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,025 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,026 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,132 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,254 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,255 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,367 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,368 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,481 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,482 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,601 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,602 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,719 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,720 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,842 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,843 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:50,086 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:50,087 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:50,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:50,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:18:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:18:50,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [94180137] [2021-02-21 21:18:50,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:18:50,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [] total 71 [2021-02-21 21:18:50,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847246000] [2021-02-21 21:18:50,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-02-21 21:18:50,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:18:50,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-02-21 21:18:50,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1228, Invalid=3742, Unknown=0, NotChecked=0, Total=4970 [2021-02-21 21:18:50,499 INFO L87 Difference]: Start difference. First operand 250 states and 255 transitions. Second operand 71 states. [2021-02-21 21:18:58,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:18:58,266 INFO L93 Difference]: Finished difference Result 297 states and 307 transitions. [2021-02-21 21:18:58,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-02-21 21:18:58,267 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 239 [2021-02-21 21:18:58,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:18:58,269 INFO L225 Difference]: With dead ends: 297 [2021-02-21 21:18:58,269 INFO L226 Difference]: Without dead ends: 260 [2021-02-21 21:18:58,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3459 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=5763, Invalid=13419, Unknown=0, NotChecked=0, Total=19182 [2021-02-21 21:18:58,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-02-21 21:18:58,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 256. [2021-02-21 21:18:58,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2021-02-21 21:18:58,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 261 transitions. [2021-02-21 21:18:58,319 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 261 transitions. Word has length 239 [2021-02-21 21:18:58,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:18:58,319 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 261 transitions. [2021-02-21 21:18:58,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 71 states. [2021-02-21 21:18:58,320 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 261 transitions. [2021-02-21 21:18:58,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-02-21 21:18:58,321 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:18:58,321 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] [2021-02-21 21:18:58,321 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-02-21 21:18:58,321 INFO L428 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:18:58,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:18:58,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1110628364, now seen corresponding path program 33 times [2021-02-21 21:18:58,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:18:58,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1768002229] [2021-02-21 21:18:58,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:18:58,335 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:18:58,336 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:18:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:58,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:58,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:58,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:58,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:58,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:18:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:58,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:58,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:58,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:18:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:58,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:58,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:58,594 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:18:58,595 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:18:58,607 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,608 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,631 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,632 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,659 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,660 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,753 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,754 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,785 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,786 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,818 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,819 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,852 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,853 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,888 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,889 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,923 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,924 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,959 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,012 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,057 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,058 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,103 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,104 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,152 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,153 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,200 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,201 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,252 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,253 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,360 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,360 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,416 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,417 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,473 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,474 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,532 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,533 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,594 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,595 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,659 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,660 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,727 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,858 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,924 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,995 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,996 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,066 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,067 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,140 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,213 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,291 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,291 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,369 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,374 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,456 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,456 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,536 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,618 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,618 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,695 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,696 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,778 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,779 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,879 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,880 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,973 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,974 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,062 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,063 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,148 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,149 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,233 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,234 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,328 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,329 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,424 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,425 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,525 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,526 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,628 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,629 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,839 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,839 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,944 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,945 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,049 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,050 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,158 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,158 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,267 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,268 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,492 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,493 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,605 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,606 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,732 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,732 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,847 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,848 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,967 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:03,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:03,094 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:03,221 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:03,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:03,349 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:03,350 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:03,472 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:03,472 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:03,602 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:03,603 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:03,731 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:03,732 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:03,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:03,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:19:04,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:19:04,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1768002229] [2021-02-21 21:19:04,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:19:04,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [73] imperfect sequences [] total 73 [2021-02-21 21:19:04,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379445914] [2021-02-21 21:19:04,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-02-21 21:19:04,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:19:04,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-02-21 21:19:04,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1299, Invalid=3957, Unknown=0, NotChecked=0, Total=5256 [2021-02-21 21:19:04,159 INFO L87 Difference]: Start difference. First operand 256 states and 261 transitions. Second operand 73 states. [2021-02-21 21:19:12,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:19:12,426 INFO L93 Difference]: Finished difference Result 303 states and 313 transitions. [2021-02-21 21:19:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-02-21 21:19:12,427 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 245 [2021-02-21 21:19:12,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:19:12,428 INFO L225 Difference]: With dead ends: 303 [2021-02-21 21:19:12,428 INFO L226 Difference]: Without dead ends: 266 [2021-02-21 21:19:12,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3666 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=6107, Invalid=14199, Unknown=0, NotChecked=0, Total=20306 [2021-02-21 21:19:12,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-02-21 21:19:12,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 262. [2021-02-21 21:19:12,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2021-02-21 21:19:12,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 267 transitions. [2021-02-21 21:19:12,486 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 267 transitions. Word has length 245 [2021-02-21 21:19:12,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:19:12,487 INFO L480 AbstractCegarLoop]: Abstraction has 262 states and 267 transitions. [2021-02-21 21:19:12,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 73 states. [2021-02-21 21:19:12,487 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 267 transitions. [2021-02-21 21:19:12,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-02-21 21:19:12,488 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:19:12,488 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] [2021-02-21 21:19:12,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-02-21 21:19:12,489 INFO L428 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:19:12,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:19:12,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1815430952, now seen corresponding path program 34 times [2021-02-21 21:19:12,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:19:12,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614149056] [2021-02-21 21:19:12,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:19:12,502 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:19:12,505 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:19:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:12,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:12,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:12,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:12,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:12,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:19:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:12,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:12,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:12,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:19:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:12,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:12,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:12,828 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:19:12,829 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:19:12,840 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,841 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,864 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,864 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,892 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,892 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,920 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,921 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,948 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,949 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,984 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,985 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,019 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,020 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,057 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,058 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,094 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,135 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,136 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,178 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,178 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,222 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,267 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,268 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,315 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,315 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,363 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,364 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,414 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,415 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,466 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,467 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,519 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,520 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,576 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,577 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,632 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,633 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,753 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,816 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,817 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,882 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,883 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,948 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,949 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,017 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,018 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,086 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,087 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,155 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,156 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,226 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,298 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,299 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,372 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,373 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,521 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,522 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,610 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,610 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,690 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,690 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,771 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,772 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,855 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,855 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,940 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,941 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,026 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,027 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,115 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,115 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,207 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,208 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,303 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,304 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,398 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,399 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,497 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,497 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,593 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,593 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,688 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,689 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,787 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,788 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,888 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,892 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,993 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:16,097 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:16,098 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:16,202 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:16,203 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:16,311 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:16,311 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:16,420 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:16,421 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:16,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:16,542 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:16,655 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:16,656 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:16,775 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:16,776 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:16,893 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:16,894 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:17,015 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:17,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:17,134 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:17,135 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:17,257 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:17,257 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:17,378 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:17,379 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:17,509 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:17,510 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:17,642 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:17,643 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:17,766 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:17,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:17,893 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:17,894 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:18,024 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:18,025 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:18,156 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:18,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:18,291 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:18,292 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:18,440 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:18,441 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:18,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:18,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:19:18,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:19:18,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614149056] [2021-02-21 21:19:18,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:19:18,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [] total 75 [2021-02-21 21:19:18,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876573569] [2021-02-21 21:19:18,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-02-21 21:19:18,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:19:18,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-02-21 21:19:18,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1372, Invalid=4178, Unknown=0, NotChecked=0, Total=5550 [2021-02-21 21:19:18,888 INFO L87 Difference]: Start difference. First operand 262 states and 267 transitions. Second operand 75 states. [2021-02-21 21:19:28,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:19:28,208 INFO L93 Difference]: Finished difference Result 309 states and 319 transitions. [2021-02-21 21:19:28,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-02-21 21:19:28,209 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 251 [2021-02-21 21:19:28,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:19:28,211 INFO L225 Difference]: With dead ends: 309 [2021-02-21 21:19:28,211 INFO L226 Difference]: Without dead ends: 272 [2021-02-21 21:19:28,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3879 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=6461, Invalid=15001, Unknown=0, NotChecked=0, Total=21462 [2021-02-21 21:19:28,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-02-21 21:19:28,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 268. [2021-02-21 21:19:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2021-02-21 21:19:28,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 273 transitions. [2021-02-21 21:19:28,275 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 273 transitions. Word has length 251 [2021-02-21 21:19:28,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:19:28,276 INFO L480 AbstractCegarLoop]: Abstraction has 268 states and 273 transitions. [2021-02-21 21:19:28,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 75 states. [2021-02-21 21:19:28,276 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 273 transitions. [2021-02-21 21:19:28,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-02-21 21:19:28,278 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:19:28,278 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] [2021-02-21 21:19:28,278 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-02-21 21:19:28,278 INFO L428 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:19:28,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:19:28,279 INFO L82 PathProgramCache]: Analyzing trace with hash 697758020, now seen corresponding path program 35 times [2021-02-21 21:19:28,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:19:28,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1821773863] [2021-02-21 21:19:28,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:19:28,294 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:19:28,295 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:19:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:28,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:28,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:28,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:28,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:28,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:19:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:28,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:28,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:28,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:19:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:28,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:28,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:28,596 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:19:28,597 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:19:28,608 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,608 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,631 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,632 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,660 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,660 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,690 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,691 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,721 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,753 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,789 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,790 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,828 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,829 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,869 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,870 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,911 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,912 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,956 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,957 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,001 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,004 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,051 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,052 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,101 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,102 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,152 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,153 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,204 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,205 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,256 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,257 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,311 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,312 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,368 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,368 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,426 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,426 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,487 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,488 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,549 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,550 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,611 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,612 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,676 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,677 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,742 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,743 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,809 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,810 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,878 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,879 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,949 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,950 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,020 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,021 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,094 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,167 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,168 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,243 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,244 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,322 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,322 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,419 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,420 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,503 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,504 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,589 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,590 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,678 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,767 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,768 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,856 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,856 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,945 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,945 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:31,035 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:31,036 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:31,128 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:31,129 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:31,222 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:31,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:31,320 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:31,321 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:31,418 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:31,419 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:31,517 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:31,518 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:31,619 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:31,620 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:31,721 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:31,722 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:31,825 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:31,826 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:31,932 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:31,933 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:32,039 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:32,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:32,152 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:32,152 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:32,265 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:32,266 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:32,392 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:32,392 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:32,509 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:32,510 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:32,623 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:32,624 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:32,740 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:32,741 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:32,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:32,862 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:32,981 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:32,982 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:33,103 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:33,104 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:33,227 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:33,228 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:33,355 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:33,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:33,481 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:33,482 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:33,610 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:33,611 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:33,740 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:33,741 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:33,876 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:33,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:34,007 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:34,008 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:34,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:34,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:34,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:34,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:34,433 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:34,434 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:34,574 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:34,575 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:34,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:34,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:19:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:19:35,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1821773863] [2021-02-21 21:19:35,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:19:35,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [77] imperfect sequences [] total 77 [2021-02-21 21:19:35,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752885828] [2021-02-21 21:19:35,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-02-21 21:19:35,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:19:35,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-02-21 21:19:35,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1447, Invalid=4405, Unknown=0, NotChecked=0, Total=5852 [2021-02-21 21:19:35,040 INFO L87 Difference]: Start difference. First operand 268 states and 273 transitions. Second operand 77 states. [2021-02-21 21:19:44,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:19:44,472 INFO L93 Difference]: Finished difference Result 315 states and 325 transitions. [2021-02-21 21:19:44,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-02-21 21:19:44,473 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 257 [2021-02-21 21:19:44,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:19:44,475 INFO L225 Difference]: With dead ends: 315 [2021-02-21 21:19:44,475 INFO L226 Difference]: Without dead ends: 278 [2021-02-21 21:19:44,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4098 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=6825, Invalid=15825, Unknown=0, NotChecked=0, Total=22650 [2021-02-21 21:19:44,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-02-21 21:19:44,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 274. [2021-02-21 21:19:44,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2021-02-21 21:19:44,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 279 transitions. [2021-02-21 21:19:44,531 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 279 transitions. Word has length 257 [2021-02-21 21:19:44,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:19:44,531 INFO L480 AbstractCegarLoop]: Abstraction has 274 states and 279 transitions. [2021-02-21 21:19:44,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 77 states. [2021-02-21 21:19:44,531 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 279 transitions. [2021-02-21 21:19:44,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-02-21 21:19:44,533 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:19:44,533 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] [2021-02-21 21:19:44,533 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-02-21 21:19:44,533 INFO L428 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:19:44,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:19:44,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1186960992, now seen corresponding path program 36 times [2021-02-21 21:19:44,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:19:44,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [583093093] [2021-02-21 21:19:44,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:19:44,544 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:19:44,546 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:19:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:44,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:44,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:44,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:44,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:44,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:19:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:44,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:44,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:44,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:19:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:44,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:44,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:44,866 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:19:44,867 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:19:44,883 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:44,884 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:44,914 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:44,915 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:44,942 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:44,943 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:44,975 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:44,976 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,009 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,010 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,041 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,042 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,079 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,118 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,119 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,159 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,160 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,200 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,201 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,244 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,245 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,293 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,294 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,340 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,341 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,393 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,394 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,450 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,451 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,506 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,507 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,562 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,563 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,616 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,617 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,666 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,724 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,724 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,782 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,782 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,842 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,843 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,900 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,963 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,964 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,031 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:46,032 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,100 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:46,101 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,169 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:46,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:46,253 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,325 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:46,326 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,400 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:46,401 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:46,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,556 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:46,557 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,639 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:46,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,724 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:46,725 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,810 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:46,811 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,896 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:46,897 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,985 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:46,986 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:47,076 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:47,077 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:47,169 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:47,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:47,265 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:47,266 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:47,362 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:47,363 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:47,462 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:47,463 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:47,559 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:47,560 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:47,659 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:47,659 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:47,757 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:47,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:47,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:47,862 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:47,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:47,967 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:48,073 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:48,074 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:48,182 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:48,183 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:48,308 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:48,309 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:48,421 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:48,421 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:48,535 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:48,535 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:48,649 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:48,650 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:48,766 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:48,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:48,888 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:48,889 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:49,013 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:49,014 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:49,140 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:49,141 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:49,266 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:49,267 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:49,393 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:49,394 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:49,522 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:49,523 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:49,654 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:49,655 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:49,786 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:49,787 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:49,920 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:49,921 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:50,058 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:50,059 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:50,198 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:50,199 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:50,351 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:50,352 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:50,492 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:50,493 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:50,640 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:50,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:50,787 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:50,787 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:50,936 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:50,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:51,081 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:51,082 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:51,232 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:51,233 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:51,383 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:51,384 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:51,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:51,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:19:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:19:51,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [583093093] [2021-02-21 21:19:51,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:19:51,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [79] imperfect sequences [] total 79 [2021-02-21 21:19:51,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676328379] [2021-02-21 21:19:51,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-02-21 21:19:51,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:19:51,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-02-21 21:19:51,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1524, Invalid=4638, Unknown=0, NotChecked=0, Total=6162 [2021-02-21 21:19:51,883 INFO L87 Difference]: Start difference. First operand 274 states and 279 transitions. Second operand 79 states. [2021-02-21 21:20:02,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:20:02,181 INFO L93 Difference]: Finished difference Result 321 states and 331 transitions. [2021-02-21 21:20:02,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-02-21 21:20:02,183 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 263 [2021-02-21 21:20:02,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:20:02,185 INFO L225 Difference]: With dead ends: 321 [2021-02-21 21:20:02,185 INFO L226 Difference]: Without dead ends: 284 [2021-02-21 21:20:02,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4323 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=7199, Invalid=16671, Unknown=0, NotChecked=0, Total=23870 [2021-02-21 21:20:02,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-02-21 21:20:02,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 280. [2021-02-21 21:20:02,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2021-02-21 21:20:02,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 285 transitions. [2021-02-21 21:20:02,255 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 285 transitions. Word has length 263 [2021-02-21 21:20:02,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:20:02,256 INFO L480 AbstractCegarLoop]: Abstraction has 280 states and 285 transitions. [2021-02-21 21:20:02,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 79 states. [2021-02-21 21:20:02,256 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 285 transitions. [2021-02-21 21:20:02,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-02-21 21:20:02,258 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:20:02,258 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] [2021-02-21 21:20:02,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-02-21 21:20:02,258 INFO L428 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:20:02,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:20:02,259 INFO L82 PathProgramCache]: Analyzing trace with hash 323417724, now seen corresponding path program 37 times [2021-02-21 21:20:02,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:20:02,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [229766828] [2021-02-21 21:20:02,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:20:02,271 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:20:02,273 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:20:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:02,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:02,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:02,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:02,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:02,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:20:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:02,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:02,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:02,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:20:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:02,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:02,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:02,584 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:20:02,585 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:20:02,600 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,601 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,633 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,634 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,669 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,670 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,705 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,706 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,784 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,785 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,825 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,826 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,865 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,866 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,910 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,911 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,955 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,956 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,002 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,003 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,050 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,051 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,097 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,098 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,148 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,149 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,199 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,200 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,310 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,311 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,371 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,372 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,435 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,436 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,500 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,500 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,569 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,570 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,636 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,637 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,707 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,708 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,780 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,781 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,855 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,855 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,928 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:03,929 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:03,999 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:04,000 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:04,076 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:04,077 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:04,154 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:04,155 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:04,233 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:04,234 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:04,313 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:04,314 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:04,413 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:04,414 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:04,497 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:04,498 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:04,584 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:04,585 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:04,675 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:04,676 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:04,768 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:04,769 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:04,863 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:04,864 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:04,959 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:04,960 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:05,056 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:05,058 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:05,152 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:05,153 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:05,250 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:05,251 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:05,351 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:05,352 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:05,454 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:05,454 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:05,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:05,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:05,661 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:05,662 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:05,770 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:05,771 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:05,882 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:05,883 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:05,996 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:05,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:06,111 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:06,112 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:06,228 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:06,229 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:06,346 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:06,347 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:06,465 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:06,466 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:06,601 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:06,602 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:06,724 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:06,725 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:06,850 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:06,851 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:06,977 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:06,978 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:07,104 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:07,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:07,232 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:07,233 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:07,362 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:07,363 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:07,495 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:07,496 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:07,627 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:07,627 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:07,763 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:07,764 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:07,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:07,901 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:08,040 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:08,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:08,182 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:08,183 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:08,328 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:08,329 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:08,473 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:08,474 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:08,635 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:08,636 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:08,783 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:08,784 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:08,928 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:08,931 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:09,083 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:09,084 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:09,236 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:09,237 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:09,390 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:09,391 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:09,548 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:09,548 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:09,707 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:09,708 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:09,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:09,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:20:10,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:20:10,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [229766828] [2021-02-21 21:20:10,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:20:10,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [81] imperfect sequences [] total 81 [2021-02-21 21:20:10,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569744339] [2021-02-21 21:20:10,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-02-21 21:20:10,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:20:10,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-02-21 21:20:10,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1603, Invalid=4877, Unknown=0, NotChecked=0, Total=6480 [2021-02-21 21:20:10,234 INFO L87 Difference]: Start difference. First operand 280 states and 285 transitions. Second operand 81 states. [2021-02-21 21:20:21,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:20:21,507 INFO L93 Difference]: Finished difference Result 327 states and 337 transitions. [2021-02-21 21:20:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-02-21 21:20:21,509 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 269 [2021-02-21 21:20:21,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:20:21,511 INFO L225 Difference]: With dead ends: 327 [2021-02-21 21:20:21,511 INFO L226 Difference]: Without dead ends: 290 [2021-02-21 21:20:21,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4554 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=7583, Invalid=17539, Unknown=0, NotChecked=0, Total=25122 [2021-02-21 21:20:21,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-02-21 21:20:21,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 286. [2021-02-21 21:20:21,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2021-02-21 21:20:21,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 291 transitions. [2021-02-21 21:20:21,573 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 291 transitions. Word has length 269 [2021-02-21 21:20:21,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:20:21,574 INFO L480 AbstractCegarLoop]: Abstraction has 286 states and 291 transitions. [2021-02-21 21:20:21,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 81 states. [2021-02-21 21:20:21,574 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 291 transitions. [2021-02-21 21:20:21,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-02-21 21:20:21,589 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:20:21,590 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] [2021-02-21 21:20:21,590 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-02-21 21:20:21,590 INFO L428 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:20:21,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:20:21,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1039454616, now seen corresponding path program 38 times [2021-02-21 21:20:21,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:20:21,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070806710] [2021-02-21 21:20:21,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:20:21,603 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:20:21,604 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:20:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:21,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:21,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:21,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:21,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:21,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:20:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:21,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:21,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:21,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:20:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:21,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:21,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:21,887 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:20:21,888 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:20:21,902 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:21,903 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:21,934 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:21,935 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:21,967 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:21,968 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,003 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,004 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,042 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,043 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,084 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,085 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,126 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,172 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,173 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,269 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,270 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,320 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,321 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,376 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,377 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,431 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,439 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,495 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,496 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,554 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,618 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,682 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,683 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,750 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,751 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,819 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,820 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,890 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:22,963 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:22,964 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:23,038 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:23,040 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:23,116 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:23,117 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:23,211 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:23,211 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:23,283 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:23,284 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:23,360 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:23,361 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:23,438 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:23,439 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:23,517 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:23,518 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:23,603 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:23,604 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:23,690 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:23,691 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:23,779 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:23,780 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:23,869 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:23,870 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:23,961 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:23,962 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:24,055 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:24,056 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:24,151 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:24,152 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:24,250 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:24,251 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:24,350 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:24,351 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:24,451 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:24,452 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:24,556 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:24,557 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:24,663 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:24,664 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:24,772 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:24,773 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:24,883 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:24,883 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:24,995 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:24,996 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:25,111 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:25,112 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:25,226 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:25,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:25,344 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:25,345 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:25,477 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:25,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:25,599 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:25,600 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:25,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:25,721 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:25,844 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:25,845 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:25,974 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:25,975 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:26,108 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:26,109 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:26,247 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:26,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:26,384 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:26,386 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:26,522 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:26,523 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:26,662 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:26,663 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:26,810 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:26,811 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:26,963 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:26,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:27,116 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:27,117 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:27,268 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:27,269 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:27,420 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:27,421 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:27,574 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:27,575 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:27,730 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:27,731 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:27,899 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:27,900 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:28,052 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:28,053 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:28,214 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:28,215 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:28,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:28,375 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:28,537 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:28,538 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:28,702 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:28,703 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:28,869 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:28,870 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:29,034 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:29,036 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:29,207 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:29,208 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:29,380 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:29,381 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:29,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:29,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:29,736 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:29,737 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:29,920 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:29,921 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:30,110 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:30,111 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:30,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:30,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:20:30,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:20:30,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070806710] [2021-02-21 21:20:30,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:20:30,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [83] imperfect sequences [] total 83 [2021-02-21 21:20:30,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73294292] [2021-02-21 21:20:30,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-02-21 21:20:30,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:20:30,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-02-21 21:20:30,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1684, Invalid=5122, Unknown=0, NotChecked=0, Total=6806 [2021-02-21 21:20:30,662 INFO L87 Difference]: Start difference. First operand 286 states and 291 transitions. Second operand 83 states. [2021-02-21 21:20:43,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:20:43,310 INFO L93 Difference]: Finished difference Result 333 states and 343 transitions. [2021-02-21 21:20:43,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-02-21 21:20:43,312 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 275 [2021-02-21 21:20:43,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:20:43,314 INFO L225 Difference]: With dead ends: 333 [2021-02-21 21:20:43,315 INFO L226 Difference]: Without dead ends: 296 [2021-02-21 21:20:43,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4791 ImplicationChecksByTransitivity, 19.5s TimeCoverageRelationStatistics Valid=7977, Invalid=18429, Unknown=0, NotChecked=0, Total=26406 [2021-02-21 21:20:43,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-02-21 21:20:43,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 292. [2021-02-21 21:20:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2021-02-21 21:20:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 297 transitions. [2021-02-21 21:20:43,385 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 297 transitions. Word has length 275 [2021-02-21 21:20:43,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:20:43,386 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 297 transitions. [2021-02-21 21:20:43,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 83 states. [2021-02-21 21:20:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 297 transitions. [2021-02-21 21:20:43,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-02-21 21:20:43,388 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:20:43,388 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] [2021-02-21 21:20:43,388 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-02-21 21:20:43,388 INFO L428 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:20:43,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:20:43,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1329535052, now seen corresponding path program 39 times [2021-02-21 21:20:43,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:20:43,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [80814576] [2021-02-21 21:20:43,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:20:43,403 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:20:43,410 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:20:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:43,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:43,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:43,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:43,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:43,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:20:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:43,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:43,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:43,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:20:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:43,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:43,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:43,756 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:20:43,757 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:20:43,773 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:43,774 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:43,809 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:43,810 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:43,849 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:43,850 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:43,889 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:43,890 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:43,932 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:43,933 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:43,978 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:43,979 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,023 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,024 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,071 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,072 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,119 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,120 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,171 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,172 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,226 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,280 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,281 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,338 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,339 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,397 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,398 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,459 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,460 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,532 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,533 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,598 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,599 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,666 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,738 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,739 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,810 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,811 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,885 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,886 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:44,961 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:44,962 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:45,039 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:45,040 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:45,120 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:45,121 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:45,201 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:45,202 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:45,287 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:45,288 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:45,373 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:45,374 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:45,462 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:45,463 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:45,569 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:45,570 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:45,662 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:45,663 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:45,757 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:45,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:45,854 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:45,855 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:45,954 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:45,955 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:46,058 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:46,060 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:46,164 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:46,165 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:46,266 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:46,267 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:46,370 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:46,371 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:46,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:46,480 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:46,589 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:46,590 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:46,702 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:46,703 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:46,818 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:46,819 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:46,936 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:46,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:47,053 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:47,054 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:47,177 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:47,178 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:47,301 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:47,302 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:47,424 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:47,426 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:47,553 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:47,554 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:47,681 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:47,682 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:47,813 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:47,814 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:47,944 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:47,945 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:48,090 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:48,091 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:48,235 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:48,236 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:48,382 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:48,383 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:48,522 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:48,523 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:48,665 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:48,666 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:48,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:48,815 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:48,973 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:48,974 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:49,128 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:49,129 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:49,282 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:49,283 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:49,436 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:49,437 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:49,601 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:49,602 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:49,764 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:49,765 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:49,921 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:49,922 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:50,087 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:50,088 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:50,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:50,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:50,420 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:50,421 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:50,606 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:50,607 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:50,779 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:50,780 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:50,953 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:50,954 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:51,135 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:51,136 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:51,317 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:51,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:51,502 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:51,503 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:51,689 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:51,690 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:51,882 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:51,883 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,073 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,074 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,260 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,261 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,454 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,648 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,649 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,854 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,855 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:53,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:53,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:20:53,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:20:53,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [80814576] [2021-02-21 21:20:53,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:20:53,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [85] imperfect sequences [] total 85 [2021-02-21 21:20:53,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565393331] [2021-02-21 21:20:53,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 85 states [2021-02-21 21:20:53,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:20:53,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-02-21 21:20:53,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1767, Invalid=5373, Unknown=0, NotChecked=0, Total=7140 [2021-02-21 21:20:53,465 INFO L87 Difference]: Start difference. First operand 292 states and 297 transitions. Second operand 85 states. [2021-02-21 21:21:07,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:21:07,671 INFO L93 Difference]: Finished difference Result 339 states and 349 transitions. [2021-02-21 21:21:07,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-02-21 21:21:07,673 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 281 [2021-02-21 21:21:07,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:21:07,675 INFO L225 Difference]: With dead ends: 339 [2021-02-21 21:21:07,675 INFO L226 Difference]: Without dead ends: 302 [2021-02-21 21:21:07,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5034 ImplicationChecksByTransitivity, 21.7s TimeCoverageRelationStatistics Valid=8381, Invalid=19341, Unknown=0, NotChecked=0, Total=27722 [2021-02-21 21:21:07,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-02-21 21:21:07,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2021-02-21 21:21:07,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2021-02-21 21:21:07,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 303 transitions. [2021-02-21 21:21:07,763 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 303 transitions. Word has length 281 [2021-02-21 21:21:07,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:21:07,763 INFO L480 AbstractCegarLoop]: Abstraction has 298 states and 303 transitions. [2021-02-21 21:21:07,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 85 states. [2021-02-21 21:21:07,764 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 303 transitions. [2021-02-21 21:21:07,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-02-21 21:21:07,765 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:21:07,766 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] [2021-02-21 21:21:07,766 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-02-21 21:21:07,766 INFO L428 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:21:07,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:21:07,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1825765584, now seen corresponding path program 40 times [2021-02-21 21:21:07,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:21:07,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875357287] [2021-02-21 21:21:07,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:21:07,783 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:21:07,785 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:21:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:21:07,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:07,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:07,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:07,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:07,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:21:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:21:07,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:07,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:07,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:21:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:21:08,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:08,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:08,131 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:21:08,131 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:21:08,149 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,150 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:08,187 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,188 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:08,227 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,229 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:08,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:08,316 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,317 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:08,365 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:08,416 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,417 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:08,468 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,469 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:08,520 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:08,576 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,578 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:08,634 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,635 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:08,695 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,696 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:08,759 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,760 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:08,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:08,890 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:08,959 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:08,960 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:09,030 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:09,031 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:09,121 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:09,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:09,193 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:09,194 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:09,266 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:09,267 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:09,343 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:09,344 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:09,426 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:09,427 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:09,507 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:09,508 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:09,588 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:09,589 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:09,673 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:09,674 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:09,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:09,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:09,860 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:09,861 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:09,956 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:09,958 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:10,056 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:10,057 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:10,163 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:10,165 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:10,272 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:10,273 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:10,378 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:10,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:10,484 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:10,486 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:10,595 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:10,596 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:10,707 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:10,708 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:10,820 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:10,821 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:10,938 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:10,940 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:11,065 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:11,066 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:11,187 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:11,188 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:11,311 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:11,312 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:11,444 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:11,446 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:11,577 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:11,578 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:11,713 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:11,714 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:11,870 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:11,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:12,003 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:12,004 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:12,135 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:12,136 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:12,272 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:12,273 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:12,412 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:12,414 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:12,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:12,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:12,703 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:12,704 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:12,851 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:12,852 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,003 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,004 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,158 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,160 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,311 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,312 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,471 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,472 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,633 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,634 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,796 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,798 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,960 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,125 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,126 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,481 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,650 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,652 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,001 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,002 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,182 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,365 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,550 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,551 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,734 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,735 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,917 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,918 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:16,102 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:16,103 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:16,289 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:16,290 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:16,481 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:16,482 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:16,684 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:16,685 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:16,884 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:16,885 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:17,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:17,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:17,288 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:17,289 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:17,488 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:17,489 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:17,683 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:17,684 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:17,878 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:17,879 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:18,069 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:18,070 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:18,271 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:18,272 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:18,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:18,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:21:18,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:21:18,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875357287] [2021-02-21 21:21:18,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:21:18,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [87] imperfect sequences [] total 87 [2021-02-21 21:21:18,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101069106] [2021-02-21 21:21:18,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-02-21 21:21:18,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:21:18,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-02-21 21:21:18,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1852, Invalid=5630, Unknown=0, NotChecked=0, Total=7482 [2021-02-21 21:21:18,917 INFO L87 Difference]: Start difference. First operand 298 states and 303 transitions. Second operand 87 states. [2021-02-21 21:21:34,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:21:34,629 INFO L93 Difference]: Finished difference Result 345 states and 355 transitions. [2021-02-21 21:21:34,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-02-21 21:21:34,631 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 287 [2021-02-21 21:21:34,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:21:34,633 INFO L225 Difference]: With dead ends: 345 [2021-02-21 21:21:34,633 INFO L226 Difference]: Without dead ends: 308 [2021-02-21 21:21:34,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5283 ImplicationChecksByTransitivity, 24.2s TimeCoverageRelationStatistics Valid=8795, Invalid=20275, Unknown=0, NotChecked=0, Total=29070 [2021-02-21 21:21:34,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-02-21 21:21:34,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 304. [2021-02-21 21:21:34,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2021-02-21 21:21:34,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 309 transitions. [2021-02-21 21:21:34,734 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 309 transitions. Word has length 287 [2021-02-21 21:21:34,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:21:34,737 INFO L480 AbstractCegarLoop]: Abstraction has 304 states and 309 transitions. [2021-02-21 21:21:34,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 87 states. [2021-02-21 21:21:34,738 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 309 transitions. [2021-02-21 21:21:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-02-21 21:21:34,740 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:21:34,740 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] [2021-02-21 21:21:34,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-02-21 21:21:34,740 INFO L428 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:21:34,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:21:34,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1719846124, now seen corresponding path program 41 times [2021-02-21 21:21:34,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:21:34,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [684148865] [2021-02-21 21:21:34,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:21:34,756 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:21:34,757 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:21:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:21:34,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:34,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:34,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:34,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:34,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:21:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:21:34,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:34,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:34,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:21:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:21:35,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:35,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:35,116 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:21:35,117 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:21:35,135 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,136 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:35,175 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,176 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:35,215 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,216 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:35,258 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,259 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:35,301 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,302 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:35,348 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:35,395 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,396 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:35,444 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,445 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:35,496 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,497 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:35,554 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:35,617 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:35,687 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,689 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:35,758 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:35,826 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,827 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:35,898 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,899 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:35,973 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:35,974 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:36,046 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:36,047 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:36,126 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:36,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:36,208 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:36,209 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:36,290 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:36,291 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:36,393 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:36,394 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:36,477 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:36,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:36,571 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:36,573 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:36,662 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:36,663 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:36,757 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:36,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:36,854 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:36,855 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:36,955 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:36,956 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,060 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,061 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,164 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,165 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,269 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,270 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,375 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,484 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,485 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,596 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,597 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,712 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,827 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,828 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,952 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,953 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,077 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,204 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,335 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,336 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,466 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,467 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,597 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,598 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,872 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,873 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,014 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,171 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,172 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,314 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,315 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,466 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,468 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,624 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,625 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,782 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,783 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,943 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,944 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:40,101 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:40,102 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:40,256 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:40,258 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:40,413 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:40,414 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:40,575 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:40,576 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:40,740 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:40,742 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:40,911 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:40,912 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:41,078 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:41,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:41,251 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:41,252 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:41,424 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:41,425 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:41,602 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:41,604 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:41,783 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:41,783 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:41,976 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:41,977 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:42,168 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:42,169 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:42,359 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:42,360 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:42,550 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:42,551 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:42,746 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:42,747 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:42,939 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:42,940 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:43,132 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:43,134 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:43,336 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:43,337 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:43,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:43,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:43,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:43,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:43,946 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:43,948 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:44,150 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:44,152 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:44,351 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:44,352 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:44,564 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:44,565 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:44,796 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:44,797 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:45,013 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:45,014 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:45,237 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:45,238 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:45,457 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:45,458 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:45,685 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:45,686 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:45,920 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:45,921 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:46,155 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:46,156 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:46,391 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:46,392 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:46,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:46,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:21:47,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:21:47,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [684148865] [2021-02-21 21:21:47,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:21:47,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [89] imperfect sequences [] total 89 [2021-02-21 21:21:47,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423546919] [2021-02-21 21:21:47,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-02-21 21:21:47,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:21:47,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-02-21 21:21:47,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1939, Invalid=5893, Unknown=0, NotChecked=0, Total=7832 [2021-02-21 21:21:47,079 INFO L87 Difference]: Start difference. First operand 304 states and 309 transitions. Second operand 89 states. [2021-02-21 21:22:04,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:22:04,857 INFO L93 Difference]: Finished difference Result 351 states and 361 transitions. [2021-02-21 21:22:04,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2021-02-21 21:22:04,859 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 293 [2021-02-21 21:22:04,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:22:04,862 INFO L225 Difference]: With dead ends: 351 [2021-02-21 21:22:04,862 INFO L226 Difference]: Without dead ends: 314 [2021-02-21 21:22:04,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5538 ImplicationChecksByTransitivity, 27.1s TimeCoverageRelationStatistics Valid=9219, Invalid=21231, Unknown=0, NotChecked=0, Total=30450 [2021-02-21 21:22:04,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-02-21 21:22:04,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 310. [2021-02-21 21:22:04,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2021-02-21 21:22:04,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 315 transitions. [2021-02-21 21:22:04,949 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 315 transitions. Word has length 293 [2021-02-21 21:22:04,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:22:04,949 INFO L480 AbstractCegarLoop]: Abstraction has 310 states and 315 transitions. [2021-02-21 21:22:04,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 89 states. [2021-02-21 21:22:04,950 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 315 transitions. [2021-02-21 21:22:04,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-02-21 21:22:04,951 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:22:04,952 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] [2021-02-21 21:22:04,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-02-21 21:22:04,952 INFO L428 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:22:04,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:22:04,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1633160200, now seen corresponding path program 42 times [2021-02-21 21:22:04,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:22:04,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [910786615] [2021-02-21 21:22:04,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:22:04,968 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:22:04,970 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:22:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:22:05,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:05,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:05,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:05,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:05,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:22:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:22:05,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:05,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:05,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:22:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:22:05,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:05,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:05,330 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:22:05,331 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:22:05,351 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,353 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,394 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,395 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,442 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,443 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,489 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,491 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,543 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,544 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,595 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,596 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,651 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,721 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,788 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,789 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,854 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,856 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,937 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,939 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,009 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,011 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,083 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,084 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,153 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,155 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,382 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,384 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,461 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,462 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,549 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,636 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,637 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,725 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,726 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,819 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,821 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,916 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,917 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,013 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,015 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,116 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,117 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,217 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,218 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,324 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,325 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,433 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,434 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,653 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,769 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,771 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,890 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:08,013 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:08,014 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:08,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:08,141 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:08,286 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:08,287 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:08,420 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:08,421 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:08,554 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:08,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:08,692 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:08,694 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:08,830 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:08,831 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:08,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:08,973 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:09,115 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:09,116 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:09,265 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:09,267 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:09,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:09,412 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:09,560 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:09,561 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:09,712 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:09,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:09,866 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:09,867 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:10,026 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:10,027 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:10,193 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:10,194 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:10,355 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:10,356 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:10,518 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:10,520 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:10,688 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:10,689 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:10,860 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:10,861 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:11,033 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:11,035 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:11,221 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:11,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:11,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:11,401 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:11,589 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:11,590 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:11,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:11,775 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:11,965 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:11,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:12,156 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:12,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:12,348 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:12,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:12,543 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:12,545 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:12,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:12,745 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:12,950 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:12,952 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:13,152 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:13,154 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:13,363 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:13,365 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:13,563 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:13,565 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:13,784 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:13,785 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:14,015 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:14,017 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:14,244 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:14,245 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:14,486 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:14,487 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:14,719 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:14,720 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:14,950 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:14,952 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:15,186 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:15,187 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:15,424 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:15,425 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:15,661 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:15,662 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:15,903 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:15,904 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:16,148 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:16,150 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:16,398 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:16,399 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:16,649 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:16,650 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:16,902 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:16,904 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:17,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:17,163 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:17,440 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:17,441 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:17,701 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:17,702 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:17,968 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:17,969 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:18,237 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:18,239 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:18,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:18,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:22:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:22:18,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [910786615] [2021-02-21 21:22:18,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:22:18,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [91] imperfect sequences [] total 91 [2021-02-21 21:22:18,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884693715] [2021-02-21 21:22:18,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 91 states [2021-02-21 21:22:18,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:22:18,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2021-02-21 21:22:18,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2028, Invalid=6162, Unknown=0, NotChecked=0, Total=8190 [2021-02-21 21:22:18,976 INFO L87 Difference]: Start difference. First operand 310 states and 315 transitions. Second operand 91 states. [2021-02-21 21:22:39,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:22:39,701 INFO L93 Difference]: Finished difference Result 357 states and 367 transitions. [2021-02-21 21:22:39,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-02-21 21:22:39,703 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 299 [2021-02-21 21:22:39,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:22:39,705 INFO L225 Difference]: With dead ends: 357 [2021-02-21 21:22:39,706 INFO L226 Difference]: Without dead ends: 320 [2021-02-21 21:22:39,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5799 ImplicationChecksByTransitivity, 30.9s TimeCoverageRelationStatistics Valid=9653, Invalid=22209, Unknown=0, NotChecked=0, Total=31862 [2021-02-21 21:22:39,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-02-21 21:22:39,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 316. [2021-02-21 21:22:39,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2021-02-21 21:22:39,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 321 transitions. [2021-02-21 21:22:39,794 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 321 transitions. Word has length 299 [2021-02-21 21:22:39,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:22:39,795 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 321 transitions. [2021-02-21 21:22:39,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 91 states. [2021-02-21 21:22:39,795 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 321 transitions. [2021-02-21 21:22:39,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-02-21 21:22:39,797 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:22:39,797 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] [2021-02-21 21:22:39,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-02-21 21:22:39,798 INFO L428 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:22:39,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:22:39,798 INFO L82 PathProgramCache]: Analyzing trace with hash -871723484, now seen corresponding path program 43 times [2021-02-21 21:22:39,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:22:39,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [793726937] [2021-02-21 21:22:39,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:22:39,815 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:22:39,817 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:22:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:22:39,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:39,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:39,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:39,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:39,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:22:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:22:39,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:39,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:40,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:22:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:22:40,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:40,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:40,210 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:22:40,211 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:22:40,232 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,234 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,279 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,280 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,330 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,332 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,388 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,389 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,445 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,446 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,505 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,507 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,569 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,571 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,635 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,637 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,703 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,704 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,776 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,850 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,858 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,933 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,935 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:41,013 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:41,014 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:41,097 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:41,098 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:41,183 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:41,184 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:41,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:41,272 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:41,359 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:41,360 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:41,452 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:41,454 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:41,545 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:41,546 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:41,642 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:41,643 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:41,745 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:41,747 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:41,856 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:41,858 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:41,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:41,967 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:42,077 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:42,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:42,190 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:42,191 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:42,313 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:42,315 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:42,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:42,436 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:42,561 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:42,562 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:42,684 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:42,685 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:42,832 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:42,834 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:42,960 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:42,962 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:43,083 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:43,084 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:43,215 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:43,217 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:43,355 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:43,356 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:43,498 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:43,500 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:43,646 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:43,648 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:43,800 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:43,802 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:43,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:43,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:44,121 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:44,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:44,280 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:44,282 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:44,441 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:44,442 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:44,604 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:44,605 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:44,768 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:44,769 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:44,927 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:44,928 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:45,092 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:45,093 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:45,246 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:45,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:45,412 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:45,413 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:45,589 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:45,590 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:45,768 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:45,769 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:45,950 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:45,951 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:46,144 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:46,145 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:46,325 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:46,327 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:46,510 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:46,512 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:46,704 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:46,705 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:46,902 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:46,903 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:47,100 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:47,101 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:47,302 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:47,303 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:47,503 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:47,505 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:47,708 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:47,710 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:47,917 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:47,918 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:48,122 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:48,124 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:48,336 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:48,337 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:48,551 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:48,553 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:48,777 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:48,778 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:49,005 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:49,007 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:49,236 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:49,237 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:49,481 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:49,482 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:49,715 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:49,717 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:49,952 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:49,954 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:50,192 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:50,193 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:50,432 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:50,433 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:50,680 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:50,682 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:50,934 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:50,935 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:51,185 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:51,187 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:51,438 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:51,440 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:51,684 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:51,686 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:51,918 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:51,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:52,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:52,164 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:52,417 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:52,419 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:52,694 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:52,695 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:52,955 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:52,956 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:53,223 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:53,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:53,489 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:53,491 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:53,756 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:53,757 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:54,028 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:54,029 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:54,300 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:54,301 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:54,582 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:54,583 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:54,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:54,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:22:55,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:22:55,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [793726937] [2021-02-21 21:22:55,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:22:55,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [93] imperfect sequences [] total 93 [2021-02-21 21:22:55,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256233872] [2021-02-21 21:22:55,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 93 states [2021-02-21 21:22:55,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:22:55,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-02-21 21:22:55,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2119, Invalid=6437, Unknown=0, NotChecked=0, Total=8556 [2021-02-21 21:22:55,374 INFO L87 Difference]: Start difference. First operand 316 states and 321 transitions. Second operand 93 states. [2021-02-21 21:23:17,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:23:17,465 INFO L93 Difference]: Finished difference Result 363 states and 373 transitions. [2021-02-21 21:23:17,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-02-21 21:23:17,468 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 305 [2021-02-21 21:23:17,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:23:17,470 INFO L225 Difference]: With dead ends: 363 [2021-02-21 21:23:17,470 INFO L226 Difference]: Without dead ends: 326 [2021-02-21 21:23:17,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6066 ImplicationChecksByTransitivity, 34.3s TimeCoverageRelationStatistics Valid=10097, Invalid=23209, Unknown=0, NotChecked=0, Total=33306 [2021-02-21 21:23:17,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-02-21 21:23:17,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 322. [2021-02-21 21:23:17,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2021-02-21 21:23:17,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 327 transitions. [2021-02-21 21:23:17,576 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 327 transitions. Word has length 305 [2021-02-21 21:23:17,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:23:17,576 INFO L480 AbstractCegarLoop]: Abstraction has 322 states and 327 transitions. [2021-02-21 21:23:17,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 93 states. [2021-02-21 21:23:17,576 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 327 transitions. [2021-02-21 21:23:17,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-02-21 21:23:17,578 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:23:17,578 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] [2021-02-21 21:23:17,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-02-21 21:23:17,579 INFO L428 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:23:17,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:23:17,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1669199040, now seen corresponding path program 44 times [2021-02-21 21:23:17,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:23:17,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581124468] [2021-02-21 21:23:17,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:23:17,596 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:23:17,597 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:23:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:23:17,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:17,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:17,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:17,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:17,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:23:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:23:17,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:17,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:17,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:23:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:23:17,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:17,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:17,919 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:23:17,920 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:23:17,950 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:17,951 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:18,016 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:18,018 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:18,088 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:18,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:18,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:18,163 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:18,241 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:18,242 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:18,317 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:18,319 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:18,405 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:18,407 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:18,479 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:18,480 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:18,556 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:18,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:18,638 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:18,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:18,716 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:18,718 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:18,798 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:18,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:18,883 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:18,893 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:19,027 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:19,029 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:19,126 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:19,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:19,217 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:19,219 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:19,312 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:19,313 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:19,404 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:19,406 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:19,502 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:19,504 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:19,607 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:19,608 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:19,706 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:19,707 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:19,814 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:19,815 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:19,931 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:19,933 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:20,049 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:20,050 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:20,167 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:20,169 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:20,286 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:20,288 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:20,398 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:20,400 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:20,522 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:20,524 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:20,663 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:20,665 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:20,797 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:20,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:20,933 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:20,934 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:21,071 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:21,072 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:21,208 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:21,210 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:21,353 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:21,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:21,495 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:21,497 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:21,652 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:21,653 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:21,809 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:21,810 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:21,967 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:21,968 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:22,130 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:22,131 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:22,290 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:22,291 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:22,471 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:22,472 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:22,647 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:22,648 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:22,819 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:22,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:22,994 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:22,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:23,165 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:23,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:23,339 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:23,340 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:23,514 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:23,516 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:23,685 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:23,687 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:23,871 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:23,872 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:24,055 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:24,057 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:24,243 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:24,244 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:24,439 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:24,440 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:24,626 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:24,627 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:24,826 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:24,828 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:25,029 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:25,031 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:25,230 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:25,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:25,441 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:25,443 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:25,652 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:25,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:25,881 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:25,883 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:26,106 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:26,107 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:26,334 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:26,335 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:26,564 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:26,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:26,794 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:26,796 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:27,035 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:27,036 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:27,266 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:27,267 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:27,501 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:27,503 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:27,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:27,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:27,940 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:27,941 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:28,143 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:28,144 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:28,344 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:28,345 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:28,552 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:28,553 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:28,789 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:28,791 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:29,058 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:29,060 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:29,344 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:29,346 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:29,609 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:29,611 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:29,874 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:29,875 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:30,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:30,148 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:30,422 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:30,424 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:30,698 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:30,699 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:30,983 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:30,985 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:31,275 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:31,277 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:31,571 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:31,573 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:31,868 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:31,869 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:32,167 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:32,168 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:32,440 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:32,441 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:32,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:32,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:32,949 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:32,951 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:33,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:33,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:33,521 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:33,522 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:33,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:33,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:23:34,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:23:34,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581124468] [2021-02-21 21:23:34,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:23:34,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [95] imperfect sequences [] total 95 [2021-02-21 21:23:34,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925411065] [2021-02-21 21:23:34,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 95 states [2021-02-21 21:23:34,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:23:34,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2021-02-21 21:23:34,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2212, Invalid=6718, Unknown=0, NotChecked=0, Total=8930 [2021-02-21 21:23:34,323 INFO L87 Difference]: Start difference. First operand 322 states and 327 transitions. Second operand 95 states. [2021-02-21 21:23:58,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:23:58,552 INFO L93 Difference]: Finished difference Result 369 states and 379 transitions. [2021-02-21 21:23:58,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-02-21 21:23:58,555 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 311 [2021-02-21 21:23:58,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:23:58,556 INFO L225 Difference]: With dead ends: 369 [2021-02-21 21:23:58,557 INFO L226 Difference]: Without dead ends: 332 [2021-02-21 21:23:58,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6339 ImplicationChecksByTransitivity, 37.4s TimeCoverageRelationStatistics Valid=10551, Invalid=24231, Unknown=0, NotChecked=0, Total=34782 [2021-02-21 21:23:58,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-02-21 21:23:58,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 328. [2021-02-21 21:23:58,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2021-02-21 21:23:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 333 transitions. [2021-02-21 21:23:58,639 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 333 transitions. Word has length 311 [2021-02-21 21:23:58,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:23:58,640 INFO L480 AbstractCegarLoop]: Abstraction has 328 states and 333 transitions. [2021-02-21 21:23:58,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 95 states. [2021-02-21 21:23:58,640 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 333 transitions. [2021-02-21 21:23:58,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-02-21 21:23:58,641 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:23:58,642 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] [2021-02-21 21:23:58,642 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-02-21 21:23:58,642 INFO L428 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:23:58,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:23:58,643 INFO L82 PathProgramCache]: Analyzing trace with hash 735462236, now seen corresponding path program 45 times [2021-02-21 21:23:58,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:23:58,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2010739153] [2021-02-21 21:23:58,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:23:58,669 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:23:58,670 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:23:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:23:58,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:58,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:58,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:58,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:58,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:23:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:23:58,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:58,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:58,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:23:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:23:58,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:58,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:59,000 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:23:59,002 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:23:59,025 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:59,026 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:59,081 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:59,083 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:59,136 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:59,137 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:59,191 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:59,193 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:59,248 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:59,249 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:59,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:59,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:59,409 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:59,411 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:59,487 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:59,489 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:59,569 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:59,571 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:59,656 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:59,658 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:59,744 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:59,746 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:59,840 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:59,841 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:59,942 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:59,944 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:00,047 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:00,049 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:00,151 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:00,153 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:00,261 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:00,263 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:00,372 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:00,374 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:00,488 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:00,490 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:00,607 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:00,609 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:00,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:00,727 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:00,844 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:00,846 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:00,970 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:00,972 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:01,094 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:01,096 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:01,224 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:01,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:01,353 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:01,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:01,490 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:01,491 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:01,628 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:01,630 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:01,771 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:01,773 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:01,916 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:01,918 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:02,065 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:02,067 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:02,222 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:02,224 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:02,380 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:02,382 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:02,535 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:02,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:02,692 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:02,694 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:02,855 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:02,857 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:03,031 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:03,033 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:03,202 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:03,203 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:03,392 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:03,394 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:03,569 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:03,571 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:03,727 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:03,728 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:03,914 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:03,915 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:04,101 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:04,103 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:04,297 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:04,299 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:04,509 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:04,511 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:04,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:04,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:04,925 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:04,927 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:05,133 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:05,135 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:05,336 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:05,338 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:05,536 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:05,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:05,749 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:05,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:05,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:05,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:06,183 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:06,185 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:06,403 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:06,405 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:06,626 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:06,628 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:06,853 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:06,854 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:07,082 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:07,084 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:07,334 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:07,335 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:07,566 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:07,568 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:07,804 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:07,806 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:08,050 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:08,051 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:08,296 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:08,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:08,552 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:08,554 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:08,816 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:08,817 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:09,086 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:09,089 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:09,364 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:09,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:09,627 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:09,629 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:09,892 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:09,893 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:10,169 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:10,171 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:10,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:10,448 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:10,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:10,728 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:11,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:11,024 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:11,300 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:11,302 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:11,578 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:11,579 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:11,859 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:11,861 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:12,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:12,148 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:12,448 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:12,450 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:12,745 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:12,746 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,056 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,058 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,382 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,383 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,684 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,686 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,998 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,999 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:14,312 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:14,314 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:14,639 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:14,641 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:14,988 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:14,990 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:15,326 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:15,328 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:15,665 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:15,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:15,994 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:15,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:16,310 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:16,311 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:16,604 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:16,606 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:16,947 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:16,949 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:17,246 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:17,247 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:17,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:24:17,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:24:18,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:24:18,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2010739153] [2021-02-21 21:24:18,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:24:18,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [97] imperfect sequences [] total 97 [2021-02-21 21:24:18,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104139716] [2021-02-21 21:24:18,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 97 states [2021-02-21 21:24:18,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:24:18,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-02-21 21:24:18,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2307, Invalid=7005, Unknown=0, NotChecked=0, Total=9312 [2021-02-21 21:24:18,144 INFO L87 Difference]: Start difference. First operand 328 states and 333 transitions. Second operand 97 states. [2021-02-21 21:24:20,167 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-21 21:24:48,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:24:48,029 INFO L93 Difference]: Finished difference Result 375 states and 385 transitions. [2021-02-21 21:24:48,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-02-21 21:24:48,035 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 317 [2021-02-21 21:24:48,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:24:48,037 INFO L225 Difference]: With dead ends: 375 [2021-02-21 21:24:48,037 INFO L226 Difference]: Without dead ends: 338 [2021-02-21 21:24:48,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6618 ImplicationChecksByTransitivity, 43.6s TimeCoverageRelationStatistics Valid=11015, Invalid=25275, Unknown=0, NotChecked=0, Total=36290 [2021-02-21 21:24:48,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2021-02-21 21:24:48,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 334. [2021-02-21 21:24:48,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2021-02-21 21:24:48,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 339 transitions. [2021-02-21 21:24:48,117 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 339 transitions. Word has length 317 [2021-02-21 21:24:48,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:24:48,117 INFO L480 AbstractCegarLoop]: Abstraction has 334 states and 339 transitions. [2021-02-21 21:24:48,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 97 states. [2021-02-21 21:24:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 339 transitions. [2021-02-21 21:24:48,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-02-21 21:24:48,119 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:24:48,120 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] [2021-02-21 21:24:48,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-02-21 21:24:48,120 INFO L428 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:24:48,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:24:48,121 INFO L82 PathProgramCache]: Analyzing trace with hash 307164792, now seen corresponding path program 46 times [2021-02-21 21:24:48,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:24:48,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353889955] [2021-02-21 21:24:48,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:24:48,141 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:24:48,142 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:24:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:24:48,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:24:48,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:24:48,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:24:48,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:24:48,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:24:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:24:48,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:24:48,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:24:48,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:24:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:24:48,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:24:48,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:24:48,494 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:24:48,496 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:24:48,523 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:48,525 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:48,588 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:48,590 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:48,661 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:48,662 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:48,735 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:48,737 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:48,831 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:48,836 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:48,917 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:48,919 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:48,995 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:48,996 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:49,075 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:49,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:49,165 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:49,167 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:49,260 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:49,261 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:49,355 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:49,357 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:49,457 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:49,459 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:49,561 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:49,563 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:49,670 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:49,672 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:49,781 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:49,783 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:49,897 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:49,899 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:50,013 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:50,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:50,135 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:50,136 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:50,252 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:50,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:50,393 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:50,395 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:50,531 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:50,533 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:50,667 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:50,669 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:50,804 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:50,806 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:50,945 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:50,947 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:51,092 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:51,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:51,236 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:51,238 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:51,368 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:51,369 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:51,523 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:51,525 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:51,683 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:51,685 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:51,854 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:51,856 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:52,024 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:52,026 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:52,190 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:52,192 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:52,365 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:52,367 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:52,537 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:52,539 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:52,715 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:52,717 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:52,911 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:52,913 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,125 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,322 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,324 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,521 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,523 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,724 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,726 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,925 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,926 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:54,117 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:54,119 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:54,317 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:54,319 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:54,534 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:54,535 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:54,753 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:54,755 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:54,970 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:54,972 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:55,187 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:55,189 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:55,417 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:55,419 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:55,649 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:55,651 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:55,882 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:55,883 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:56,122 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:56,124 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:56,358 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:56,359 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:56,596 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:56,597 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:56,850 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:56,851 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:57,098 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:57,100 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:57,365 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:57,367 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:57,627 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:57,629 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:57,903 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:57,905 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:58,177 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:58,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:58,451 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:58,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:58,732 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:58,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:59,011 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:59,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:59,283 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:59,285 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:59,566 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:59,568 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:59,851 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:59,853 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:00,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:00,148 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:00,441 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:00,443 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:00,735 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:00,737 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:01,032 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:01,034 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:01,340 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:01,342 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:01,667 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:01,668 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:01,990 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:01,992 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:02,310 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:02,312 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:02,633 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:02,635 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:02,953 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:02,954 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:03,284 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:03,286 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:03,634 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:03,636 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:03,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:03,974 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:04,310 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:04,311 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:04,639 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:04,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:04,999 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:05,000 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:05,343 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:05,345 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:05,709 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:05,711 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:06,082 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:06,084 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:06,427 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:06,428 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:06,784 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:06,785 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:07,140 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:07,142 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:07,511 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:07,513 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:07,869 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:07,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:08,243 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:08,245 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:08,627 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:08,630 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:09,025 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:09,027 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:09,413 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:09,415 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:09,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:25:09,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:25:10,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:25:10,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [353889955] [2021-02-21 21:25:10,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:25:10,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [99] imperfect sequences [] total 99 [2021-02-21 21:25:10,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013128671] [2021-02-21 21:25:10,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 99 states [2021-02-21 21:25:10,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:25:10,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2021-02-21 21:25:10,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2404, Invalid=7298, Unknown=0, NotChecked=0, Total=9702 [2021-02-21 21:25:10,370 INFO L87 Difference]: Start difference. First operand 334 states and 339 transitions. Second operand 99 states. [2021-02-21 21:25:11,729 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-21 21:25:41,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:25:41,574 INFO L93 Difference]: Finished difference Result 381 states and 391 transitions. [2021-02-21 21:25:41,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-02-21 21:25:41,579 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 323 [2021-02-21 21:25:41,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:25:41,582 INFO L225 Difference]: With dead ends: 381 [2021-02-21 21:25:41,582 INFO L226 Difference]: Without dead ends: 344 [2021-02-21 21:25:41,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6903 ImplicationChecksByTransitivity, 48.9s TimeCoverageRelationStatistics Valid=11489, Invalid=26341, Unknown=0, NotChecked=0, Total=37830 [2021-02-21 21:25:41,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-02-21 21:25:41,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 340. [2021-02-21 21:25:41,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2021-02-21 21:25:41,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 345 transitions. [2021-02-21 21:25:41,673 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 345 transitions. Word has length 323 [2021-02-21 21:25:41,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:25:41,674 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 345 transitions. [2021-02-21 21:25:41,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 99 states. [2021-02-21 21:25:41,674 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 345 transitions. [2021-02-21 21:25:41,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-02-21 21:25:41,676 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:25:41,677 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] [2021-02-21 21:25:41,677 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-02-21 21:25:41,677 INFO L428 AbstractCegarLoop]: === Iteration 50 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:25:41,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:25:41,678 INFO L82 PathProgramCache]: Analyzing trace with hash 56878228, now seen corresponding path program 47 times [2021-02-21 21:25:41,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:25:41,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1137716258] [2021-02-21 21:25:41,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:25:41,702 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:25:41,704 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:25:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:25:41,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:25:41,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:25:41,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:25:41,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:25:41,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:25:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:25:41,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:25:41,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:25:41,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:25:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:25:42,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:25:42,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:25:42,102 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:25:42,104 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:25:42,134 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,135 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,198 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,200 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,265 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,266 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,340 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,342 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,421 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,508 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,510 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,600 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,602 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,693 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,790 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,890 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,995 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:43,099 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:43,101 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:43,211 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:43,213 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:43,325 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:43,327 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:43,444 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:43,446 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:43,551 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:43,553 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:43,670 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:43,672 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:43,797 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:43,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:43,926 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:43,928 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:44,066 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:44,068 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:44,195 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:44,197 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:44,331 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:44,333 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:44,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:44,480 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:44,632 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:44,633 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:44,780 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:44,782 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:44,931 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:44,933 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:45,088 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:45,089 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:45,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:45,272 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:45,437 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:45,439 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:45,611 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:45,612 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:45,780 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:45,781 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:45,957 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:45,959 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:46,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:46,125 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:46,306 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:46,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:46,497 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:46,499 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:46,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:46,693 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:46,880 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:46,882 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:47,083 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:47,085 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:47,287 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:47,289 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:47,486 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:47,488 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:47,706 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:47,708 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:47,929 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:47,931 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:48,140 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:48,142 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:48,381 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:48,383 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:48,625 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:48,628 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:48,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:48,863 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:49,110 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:49,112 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:49,359 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:49,362 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:49,602 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:49,604 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:49,877 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:49,878 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:50,137 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:50,139 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:50,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:50,401 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:50,664 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:50,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:50,892 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:50,893 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:51,150 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:51,152 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:51,381 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:51,383 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:51,607 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:51,609 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:51,836 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:51,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:52,050 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:52,052 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:52,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:52,272 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:52,483 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:52,484 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:52,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:52,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:53,051 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:53,054 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:53,370 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:53,372 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:53,685 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:53,687 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:54,018 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:54,020 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:54,342 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:54,344 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:54,671 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:54,673 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:54,994 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:54,996 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:55,331 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:55,333 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:55,664 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:55,666 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:56,005 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:56,007 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:56,349 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:56,351 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:56,693 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:56,695 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:57,050 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:57,052 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:57,402 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:57,404 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:57,768 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:57,770 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:58,137 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:58,138 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:58,508 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:58,510 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:58,858 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:58,860 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:59,242 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:59,244 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:59,628 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:59,630 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:00,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:00,024 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:00,418 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:00,420 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:00,818 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:00,821 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:01,226 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:01,228 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:01,629 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:01,631 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:02,042 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:02,044 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:02,447 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:02,449 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:02,862 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:02,864 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:03,296 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:03,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:03,710 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:03,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:04,112 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:04,114 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:04,531 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:04,533 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:04,940 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:04,942 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:05,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:05,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:26:05,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:26:05,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1137716258] [2021-02-21 21:26:05,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:26:05,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [101] imperfect sequences [] total 101 [2021-02-21 21:26:05,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373685958] [2021-02-21 21:26:05,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-02-21 21:26:05,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:26:05,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-02-21 21:26:05,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2503, Invalid=7597, Unknown=0, NotChecked=0, Total=10100 [2021-02-21 21:26:05,965 INFO L87 Difference]: Start difference. First operand 340 states and 345 transitions. Second operand 101 states. [2021-02-21 21:26:07,427 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-21 21:26:41,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:26:41,632 INFO L93 Difference]: Finished difference Result 387 states and 397 transitions. [2021-02-21 21:26:41,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-02-21 21:26:41,636 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 329 [2021-02-21 21:26:41,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:26:41,638 INFO L225 Difference]: With dead ends: 387 [2021-02-21 21:26:41,638 INFO L226 Difference]: Without dead ends: 350 [2021-02-21 21:26:41,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7194 ImplicationChecksByTransitivity, 55.1s TimeCoverageRelationStatistics Valid=11973, Invalid=27429, Unknown=0, NotChecked=0, Total=39402 [2021-02-21 21:26:41,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-02-21 21:26:41,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 346. [2021-02-21 21:26:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2021-02-21 21:26:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 351 transitions. [2021-02-21 21:26:41,757 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 351 transitions. Word has length 329 [2021-02-21 21:26:41,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:26:41,758 INFO L480 AbstractCegarLoop]: Abstraction has 346 states and 351 transitions. [2021-02-21 21:26:41,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 101 states. [2021-02-21 21:26:41,758 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 351 transitions. [2021-02-21 21:26:41,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-02-21 21:26:41,761 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:26:41,762 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] [2021-02-21 21:26:41,762 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-02-21 21:26:41,762 INFO L428 AbstractCegarLoop]: === Iteration 51 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:26:41,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:26:41,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1447244368, now seen corresponding path program 48 times [2021-02-21 21:26:41,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:26:41,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732046472] [2021-02-21 21:26:41,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:26:41,783 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:26:41,785 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:26:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:26:41,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:41,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:41,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:41,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:42,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:26:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:26:42,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:42,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:42,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:26:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:26:42,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:42,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:42,271 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:26:42,273 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:26:42,314 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:42,317 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:42,418 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:42,421 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:42,510 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:42,512 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:42,605 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:42,607 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:42,705 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:42,708 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:42,814 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:42,817 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:42,926 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:42,928 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:43,041 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:43,043 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:43,154 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:43,156 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:43,273 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:43,274 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:43,395 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:43,397 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:43,519 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:43,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:43,648 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:43,650 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:43,783 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:43,785 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:43,918 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:43,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:44,060 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:44,062 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:44,202 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:44,203 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:44,349 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:44,351 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:44,501 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:44,503 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:44,663 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:44,665 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:44,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:44,793 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:44,957 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:44,959 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:45,131 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:45,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:45,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:45,309 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:45,487 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:45,489 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:45,670 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:45,672 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:45,855 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:45,857 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:46,071 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:46,073 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:46,242 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:46,244 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:46,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:46,436 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:46,597 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:46,599 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:46,783 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:46,785 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:46,993 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:46,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:47,216 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:47,218 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:47,445 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:47,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:47,685 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:47,687 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:47,924 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:47,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:48,173 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:48,175 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:48,423 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:48,424 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:48,672 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:48,675 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:48,926 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:48,928 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:49,189 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:49,191 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:49,457 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:49,459 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:49,771 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:49,773 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:50,039 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:50,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:50,311 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:50,313 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:50,589 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:50,591 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:50,877 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:50,880 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:51,166 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:51,168 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:51,472 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:51,474 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:51,772 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:51,774 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:52,078 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:52,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:52,391 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:52,393 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:52,705 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:52,707 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:52,996 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:52,998 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:53,321 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:53,323 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:53,645 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:53,647 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:53,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:53,974 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:54,301 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:54,303 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:54,632 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:54,634 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:54,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:54,974 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:55,319 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:55,321 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:55,669 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:55,672 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:56,011 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:56,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:56,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:56,376 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:56,751 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:56,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:57,097 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:57,099 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:57,445 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:57,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:57,797 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:57,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:58,136 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:58,138 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:58,465 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:58,467 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:58,798 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:58,800 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:59,172 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:59,174 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:59,575 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:59,577 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:59,984 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:59,986 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:00,400 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:00,402 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:00,809 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:00,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:01,232 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:01,234 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:01,676 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:01,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:02,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:02,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:02,482 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:02,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:02,848 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:02,850 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:03,241 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:03,243 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:03,611 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:03,612 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:03,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:03,974 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:04,383 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:04,385 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:04,742 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:04,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:05,202 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:05,205 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:05,690 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:05,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:06,177 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:06,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:06,681 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:06,684 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:07,177 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:07,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:07,672 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:07,673 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:08,170 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:08,173 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:08,672 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:08,674 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:09,185 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:09,187 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:09,702 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:09,704 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:10,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:27:10,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:27:10,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:27:10,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732046472] [2021-02-21 21:27:10,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:27:10,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [103] imperfect sequences [] total 103 [2021-02-21 21:27:10,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883413363] [2021-02-21 21:27:10,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 103 states [2021-02-21 21:27:10,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:27:10,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2021-02-21 21:27:10,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2604, Invalid=7902, Unknown=0, NotChecked=0, Total=10506 [2021-02-21 21:27:10,846 INFO L87 Difference]: Start difference. First operand 346 states and 351 transitions. Second operand 103 states. [2021-02-21 21:27:11,803 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-02-21 21:27:12,591 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-21 21:27:49,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:27:49,730 INFO L93 Difference]: Finished difference Result 393 states and 403 transitions. [2021-02-21 21:27:49,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-02-21 21:27:49,735 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 335 [2021-02-21 21:27:49,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:27:49,738 INFO L225 Difference]: With dead ends: 393 [2021-02-21 21:27:49,738 INFO L226 Difference]: Without dead ends: 356 [2021-02-21 21:27:49,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7491 ImplicationChecksByTransitivity, 62.5s TimeCoverageRelationStatistics Valid=12467, Invalid=28539, Unknown=0, NotChecked=0, Total=41006 [2021-02-21 21:27:49,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-02-21 21:27:49,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 352. [2021-02-21 21:27:49,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2021-02-21 21:27:49,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 357 transitions. [2021-02-21 21:27:49,866 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 357 transitions. Word has length 335 [2021-02-21 21:27:49,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:27:49,866 INFO L480 AbstractCegarLoop]: Abstraction has 352 states and 357 transitions. [2021-02-21 21:27:49,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 103 states. [2021-02-21 21:27:49,866 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 357 transitions. [2021-02-21 21:27:49,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-02-21 21:27:49,868 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:27:49,869 INFO L422 BasicCegarLoop]: trace histogram [49, 49, 49, 49, 49, 49, 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] [2021-02-21 21:27:49,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-02-21 21:27:49,869 INFO L428 AbstractCegarLoop]: === Iteration 52 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:27:49,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:27:49,870 INFO L82 PathProgramCache]: Analyzing trace with hash -2093911604, now seen corresponding path program 49 times [2021-02-21 21:27:49,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:27:49,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1390959826] [2021-02-21 21:27:49,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:27:49,888 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:27:49,890 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:27:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:27:50,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:27:50,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:27:50,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:27:50,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:27:50,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:27:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:27:50,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:27:50,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:27:50,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:27:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:27:50,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:27:50,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:27:50,332 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:27:50,334 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:27:50,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:50,377 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:50,451 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:50,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:50,533 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:50,536 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:50,624 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:50,626 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:50,715 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:50,717 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:50,836 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:50,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:50,934 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:50,936 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:51,033 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:51,035 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:51,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:51,144 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:51,256 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:51,258 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:51,371 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:51,373 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:51,493 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:51,494 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:51,609 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:51,612 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:51,738 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:51,740 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:51,868 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:51,870 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:52,002 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:52,004 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:52,134 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:52,135 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:52,280 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:52,282 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:52,429 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:52,431 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:52,583 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:52,584 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:52,745 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:52,747 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:52,909 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:52,911 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:53,076 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:53,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:53,254 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:53,256 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:53,424 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:53,426 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:53,600 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:53,604 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:53,779 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:53,781 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:53,959 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:53,960 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:54,150 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:54,152 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:54,343 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:54,345 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:54,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:54,539 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:54,740 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:54,742 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:54,943 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:54,945 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:55,150 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:55,152 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:55,390 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:55,392 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:55,630 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:55,632 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:55,893 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:55,895 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:56,136 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:56,138 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:56,408 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:56,410 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:56,658 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:56,660 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:56,923 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:56,926 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:57,190 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:57,192 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:57,456 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:57,458 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:57,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:57,722 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:57,987 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:57,989 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:58,254 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:58,256 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:58,516 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:58,519 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:58,802 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:58,804 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:59,094 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:59,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:59,394 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:59,395 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:59,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:59,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:00,014 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:00,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:00,287 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:00,289 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:00,594 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:00,596 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:00,885 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:00,887 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:01,205 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:01,208 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:01,519 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:01,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:01,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:01,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:02,126 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:02,128 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:02,456 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:02,459 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:02,795 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:02,798 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:03,134 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:03,136 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:03,457 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:03,459 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:03,782 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:03,784 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:04,119 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:04,121 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:04,498 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:04,500 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:04,906 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:04,908 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:05,302 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:05,304 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:05,708 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:05,710 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:06,121 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:06,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:06,550 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:06,552 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:06,976 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:06,978 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:07,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:07,401 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:07,821 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:07,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:08,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:08,255 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:08,700 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:08,702 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:09,132 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:09,135 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:09,574 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:09,576 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:10,023 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:10,025 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:10,476 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:10,477 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:10,923 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:10,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:11,386 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:11,388 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:11,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:11,864 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:12,314 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:12,316 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:12,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:12,777 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:13,267 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:13,269 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:13,748 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:13,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:14,231 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:14,233 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:14,652 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:14,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:15,096 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:15,099 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:15,592 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:15,594 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:16,106 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:16,109 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:16,624 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:16,626 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:17,158 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:17,160 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:17,685 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:17,687 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:18,214 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:18,216 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:18,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:18,743 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:19,288 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:19,290 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:19,831 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:19,833 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:20,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:28:20,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:28:21,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:28:21,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1390959826] [2021-02-21 21:28:21,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:28:21,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [105] imperfect sequences [] total 105 [2021-02-21 21:28:21,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554613554] [2021-02-21 21:28:21,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 105 states [2021-02-21 21:28:21,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:28:21,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2021-02-21 21:28:21,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2707, Invalid=8213, Unknown=0, NotChecked=0, Total=10920 [2021-02-21 21:28:21,026 INFO L87 Difference]: Start difference. First operand 352 states and 357 transitions. Second operand 105 states. [2021-02-21 21:28:22,044 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-02-21 21:28:22,939 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-21 21:29:05,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:29:05,405 INFO L93 Difference]: Finished difference Result 399 states and 409 transitions. [2021-02-21 21:29:05,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-02-21 21:29:05,411 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 341 [2021-02-21 21:29:05,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:29:05,413 INFO L225 Difference]: With dead ends: 399 [2021-02-21 21:29:05,413 INFO L226 Difference]: Without dead ends: 362 [2021-02-21 21:29:05,417 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7794 ImplicationChecksByTransitivity, 69.8s TimeCoverageRelationStatistics Valid=12971, Invalid=29671, Unknown=0, NotChecked=0, Total=42642 [2021-02-21 21:29:05,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-02-21 21:29:05,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 358. [2021-02-21 21:29:05,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2021-02-21 21:29:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 363 transitions. [2021-02-21 21:29:05,489 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 363 transitions. Word has length 341 [2021-02-21 21:29:05,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:29:05,490 INFO L480 AbstractCegarLoop]: Abstraction has 358 states and 363 transitions. [2021-02-21 21:29:05,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 105 states. [2021-02-21 21:29:05,490 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 363 transitions. [2021-02-21 21:29:05,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-02-21 21:29:05,493 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:29:05,493 INFO L422 BasicCegarLoop]: trace histogram [50, 50, 50, 50, 50, 50, 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] [2021-02-21 21:29:05,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-02-21 21:29:05,493 INFO L428 AbstractCegarLoop]: === Iteration 53 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:29:05,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:29:05,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1127640856, now seen corresponding path program 50 times [2021-02-21 21:29:05,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:29:05,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1283734833] [2021-02-21 21:29:05,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:29:05,523 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:29:05,525 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:29:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:29:05,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:29:05,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:29:05,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:29:05,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:29:05,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:29:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:29:05,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:29:05,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:29:05,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:29:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:29:05,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:29:05,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:29:05,987 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:29:05,989 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:29:06,031 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:06,033 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:06,130 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:06,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:06,231 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:06,233 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:06,335 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:06,336 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:06,442 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:06,444 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:06,563 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:06,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:06,690 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:06,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:06,823 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:06,824 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:06,952 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:06,954 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:07,094 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:07,097 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:07,239 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:07,242 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:07,391 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:07,393 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:07,544 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:07,547 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:07,700 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:07,702 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:07,854 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:07,856 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:08,020 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:08,022 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:08,217 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:08,219 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:08,383 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:08,386 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:08,558 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:08,560 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:08,747 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:08,749 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:08,941 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:08,943 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:09,140 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:09,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:09,337 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:09,340 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:09,539 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:09,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:09,756 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:09,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:09,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:09,973 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:10,180 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:10,183 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:10,407 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:10,410 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:10,631 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:10,633 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:10,860 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:10,863 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:11,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:11,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:11,336 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:11,338 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:11,584 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:11,586 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:11,847 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:11,849 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:12,094 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:12,096 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:12,364 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:12,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:12,637 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:12,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:12,913 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:12,915 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:13,190 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:13,192 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:13,465 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:13,467 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:13,731 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:13,733 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:14,031 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:14,033 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:14,319 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:14,321 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:14,551 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:14,553 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:14,816 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:14,818 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:15,074 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:15,076 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:15,346 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:15,348 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:15,611 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:15,613 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:15,896 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:15,898 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:16,170 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:16,172 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:16,501 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:16,503 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:16,845 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:16,847 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:17,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:17,182 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:17,526 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:17,528 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:17,869 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:17,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:18,208 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:18,210 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:18,581 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:18,584 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:18,946 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:18,948 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:19,316 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:19,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16