/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-lopstr16/flag_loopdep.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 21:16:08,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 21:16:08,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 21:16:08,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 21:16:08,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 21:16:08,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 21:16:08,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 21:16:08,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 21:16:08,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 21:16:08,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 21:16:08,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 21:16:08,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 21:16:08,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 21:16:08,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 21:16:08,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 21:16:08,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 21:16:08,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 21:16:08,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 21:16:08,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 21:16:08,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 21:16:08,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 21:16:08,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 21:16:08,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 21:16:08,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 21:16:08,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 21:16:08,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 21:16:08,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 21:16:08,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 21:16:08,208 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 21:16:08,231 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 21:16:08,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 21:16:08,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 21:16:08,236 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 21:16:08,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 21:16:08,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 21:16:08,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 21:16:08,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 21:16:08,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 21:16:08,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 21:16:08,238 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 21:16:08,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 21:16:08,239 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 21:16:08,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 21:16:08,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 21:16:08,240 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 21:16:08,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 21:16:08,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 21:16:08,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 21:16:08,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 21:16:08,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 21:16:08,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 21:16:08,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 21:16:08,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 21:16:08,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 21:16:08,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 21:16:08,709 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 21:16:08,710 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 21:16:08,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-lopstr16/flag_loopdep.i [2021-02-21 21:16:08,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ed3fbc2/70d575eaefad4625a1b7a9e89c5f3d05/FLAG2e14914fe [2021-02-21 21:16:09,479 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 21:16:09,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-lopstr16/flag_loopdep.i [2021-02-21 21:16:09,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ed3fbc2/70d575eaefad4625a1b7a9e89c5f3d05/FLAG2e14914fe [2021-02-21 21:16:09,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ed3fbc2/70d575eaefad4625a1b7a9e89c5f3d05 [2021-02-21 21:16:09,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 21:16:09,891 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 21:16:09,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 21:16:09,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 21:16:09,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 21:16:09,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 09:16:09" (1/1) ... [2021-02-21 21:16:09,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a93f2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:09, skipping insertion in model container [2021-02-21 21:16:09,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 09:16:09" (1/1) ... [2021-02-21 21:16:09,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 21:16:09,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 21:16:10,176 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-lopstr16/flag_loopdep.i[805,818] [2021-02-21 21:16:10,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 21:16:10,223 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 21:16:10,240 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-lopstr16/flag_loopdep.i[805,818] [2021-02-21 21:16:10,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 21:16:10,273 INFO L208 MainTranslator]: Completed translation [2021-02-21 21:16:10,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:10 WrapperNode [2021-02-21 21:16:10,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 21:16:10,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 21:16:10,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 21:16:10,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 21:16:10,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:10" (1/1) ... [2021-02-21 21:16:10,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:10" (1/1) ... [2021-02-21 21:16:10,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:10" (1/1) ... [2021-02-21 21:16:10,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:10" (1/1) ... [2021-02-21 21:16:10,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:10" (1/1) ... [2021-02-21 21:16:10,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:10" (1/1) ... [2021-02-21 21:16:10,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:10" (1/1) ... [2021-02-21 21:16:10,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 21:16:10,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 21:16:10,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 21:16:10,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 21:16:10,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:10" (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 21:16:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 21:16:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 21:16:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 21:16:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-21 21:16:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2021-02-21 21:16:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 21:16:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 21:16:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 21:16:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 21:16:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 21:16:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 21:16:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 21:16:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-21 21:16:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 21:16:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_pointer [2021-02-21 21:16:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure init [2021-02-21 21:16:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 21:16:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 21:16:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 21:16:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 21:16:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 21:16:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 21:16:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 21:16:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 21:16:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 21:16:10,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 21:16:10,809 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 21:16:10,810 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-02-21 21:16:10,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 09:16:10 BoogieIcfgContainer [2021-02-21 21:16:10,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 21:16:10,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 21:16:10,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 21:16:10,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 21:16:10,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 09:16:09" (1/3) ... [2021-02-21 21:16:10,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdd280f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 09:16:10, skipping insertion in model container [2021-02-21 21:16:10,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:16:10" (2/3) ... [2021-02-21 21:16:10,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdd280f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 09:16:10, skipping insertion in model container [2021-02-21 21:16:10,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 09:16:10" (3/3) ... [2021-02-21 21:16:10,844 INFO L111 eAbstractionObserver]: Analyzing ICFG flag_loopdep.i [2021-02-21 21:16:10,860 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 21:16:10,873 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 21:16:10,903 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 21:16:10,928 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 21:16:10,929 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 21:16:10,929 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 21:16:10,929 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 21:16:10,929 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 21:16:10,929 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 21:16:10,930 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 21:16:10,930 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 21:16:10,952 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2021-02-21 21:16:10,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-21 21:16:10,963 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:10,964 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 21:16:10,965 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:10,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:10,972 INFO L82 PathProgramCache]: Analyzing trace with hash -351077520, now seen corresponding path program 1 times [2021-02-21 21:16:10,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:10,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338655644] [2021-02-21 21:16:10,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:11,101 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:11,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:11,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:16:11,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:11,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:11,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:11,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:11,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:11,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:11,560 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 21:16:11,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338655644] [2021-02-21 21:16:11,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:11,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 21:16:11,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891734996] [2021-02-21 21:16:11,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 21:16:11,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:11,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 21:16:11,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-21 21:16:11,595 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 5 states. [2021-02-21 21:16:11,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:11,916 INFO L93 Difference]: Finished difference Result 114 states and 139 transitions. [2021-02-21 21:16:11,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 21:16:11,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-02-21 21:16:11,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:11,930 INFO L225 Difference]: With dead ends: 114 [2021-02-21 21:16:11,931 INFO L226 Difference]: Without dead ends: 72 [2021-02-21 21:16:11,935 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 21:16:11,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-02-21 21:16:11,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 54. [2021-02-21 21:16:11,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-02-21 21:16:11,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2021-02-21 21:16:11,991 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 33 [2021-02-21 21:16:11,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:11,992 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2021-02-21 21:16:11,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 21:16:11,993 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2021-02-21 21:16:11,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-02-21 21:16:11,994 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:11,995 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 21:16:11,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 21:16:11,995 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:11,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:11,997 INFO L82 PathProgramCache]: Analyzing trace with hash -878173048, now seen corresponding path program 1 times [2021-02-21 21:16:11,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:11,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764756162] [2021-02-21 21:16:11,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:12,035 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:12,038 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:12,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:12,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:16:12,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:16:12,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:16:12,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:12,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:12,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:12,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:12,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:12,208 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 21:16:12,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764756162] [2021-02-21 21:16:12,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:12,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 21:16:12,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564502291] [2021-02-21 21:16:12,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 21:16:12,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:12,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 21:16:12,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-21 21:16:12,212 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 7 states. [2021-02-21 21:16:12,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:12,442 INFO L93 Difference]: Finished difference Result 96 states and 107 transitions. [2021-02-21 21:16:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-21 21:16:12,442 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2021-02-21 21:16:12,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:12,445 INFO L225 Difference]: With dead ends: 96 [2021-02-21 21:16:12,445 INFO L226 Difference]: Without dead ends: 81 [2021-02-21 21:16:12,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-02-21 21:16:12,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-02-21 21:16:12,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 63. [2021-02-21 21:16:12,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-02-21 21:16:12,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2021-02-21 21:16:12,462 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 40 [2021-02-21 21:16:12,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:12,462 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions. [2021-02-21 21:16:12,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 21:16:12,463 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2021-02-21 21:16:12,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-21 21:16:12,464 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:12,464 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 21:16:12,465 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 21:16:12,465 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:12,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:12,466 INFO L82 PathProgramCache]: Analyzing trace with hash -692121488, now seen corresponding path program 2 times [2021-02-21 21:16:12,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:12,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1658978639] [2021-02-21 21:16:12,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:12,479 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:12,480 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:12,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:12,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:12,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:12,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:12,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:12,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:12,608 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:12,609 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:12,620 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:12,621 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:12,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:12,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:12,659 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 21:16:12,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1658978639] [2021-02-21 21:16:12,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:12,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 21:16:12,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813941886] [2021-02-21 21:16:12,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 21:16:12,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:12,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 21:16:12,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-21 21:16:12,669 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand 7 states. [2021-02-21 21:16:12,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:12,969 INFO L93 Difference]: Finished difference Result 105 states and 115 transitions. [2021-02-21 21:16:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 21:16:12,969 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2021-02-21 21:16:12,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:12,971 INFO L225 Difference]: With dead ends: 105 [2021-02-21 21:16:12,971 INFO L226 Difference]: Without dead ends: 68 [2021-02-21 21:16:12,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-02-21 21:16:12,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-02-21 21:16:12,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2021-02-21 21:16:12,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-02-21 21:16:12,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2021-02-21 21:16:12,983 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 47 [2021-02-21 21:16:13,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:13,005 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2021-02-21 21:16:13,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 21:16:13,006 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2021-02-21 21:16:13,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-02-21 21:16:13,007 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:13,008 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 21:16:13,008 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 21:16:13,008 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:13,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:13,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1856414860, now seen corresponding path program 1 times [2021-02-21 21:16:13,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:13,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388545880] [2021-02-21 21:16:13,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:13,019 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:13,021 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:13,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:13,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:13,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:13,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:13,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:13,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:13,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:13,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:13,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:13,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:13,119 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:13,120 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:13,129 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:13,130 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:13,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:13,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:13,163 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:13,164 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:13,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:13,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:13,196 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 21:16:13,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388545880] [2021-02-21 21:16:13,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:13,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 21:16:13,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582565581] [2021-02-21 21:16:13,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 21:16:13,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:13,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 21:16:13,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-02-21 21:16:13,199 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 9 states. [2021-02-21 21:16:13,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:13,553 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2021-02-21 21:16:13,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 21:16:13,553 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2021-02-21 21:16:13,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:13,555 INFO L225 Difference]: With dead ends: 111 [2021-02-21 21:16:13,555 INFO L226 Difference]: Without dead ends: 74 [2021-02-21 21:16:13,556 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 21:16:13,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-02-21 21:16:13,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2021-02-21 21:16:13,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2021-02-21 21:16:13,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 75 transitions. [2021-02-21 21:16:13,567 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 75 transitions. Word has length 53 [2021-02-21 21:16:13,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:13,568 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 75 transitions. [2021-02-21 21:16:13,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 21:16:13,568 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2021-02-21 21:16:13,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-21 21:16:13,569 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:13,569 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 21:16:13,569 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 21:16:13,570 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:13,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:13,570 INFO L82 PathProgramCache]: Analyzing trace with hash 549303208, now seen corresponding path program 2 times [2021-02-21 21:16:13,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:13,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461333390] [2021-02-21 21:16:13,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:13,583 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:13,584 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:13,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:13,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:13,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:13,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:13,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:13,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:13,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:13,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:13,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:13,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:13,693 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:13,694 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:13,704 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:13,705 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:13,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:13,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:13,744 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:13,746 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:13,768 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:13,771 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:13,802 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:13,803 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:13,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:13,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:13,861 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 21:16:13,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461333390] [2021-02-21 21:16:13,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:13,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-21 21:16:13,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150589874] [2021-02-21 21:16:13,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-21 21:16:13,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:13,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-21 21:16:13,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-02-21 21:16:13,863 INFO L87 Difference]: Start difference. First operand 70 states and 75 transitions. Second operand 11 states. [2021-02-21 21:16:14,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:14,283 INFO L93 Difference]: Finished difference Result 117 states and 127 transitions. [2021-02-21 21:16:14,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-21 21:16:14,284 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2021-02-21 21:16:14,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:14,286 INFO L225 Difference]: With dead ends: 117 [2021-02-21 21:16:14,287 INFO L226 Difference]: Without dead ends: 80 [2021-02-21 21:16:14,288 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 21:16:14,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-02-21 21:16:14,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2021-02-21 21:16:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-21 21:16:14,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2021-02-21 21:16:14,300 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 59 [2021-02-21 21:16:14,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:14,301 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2021-02-21 21:16:14,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-21 21:16:14,301 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2021-02-21 21:16:14,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-02-21 21:16:14,302 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:14,302 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 21:16:14,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 21:16:14,303 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:14,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:14,303 INFO L82 PathProgramCache]: Analyzing trace with hash -331612732, now seen corresponding path program 3 times [2021-02-21 21:16:14,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:14,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926214021] [2021-02-21 21:16:14,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:14,317 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:14,318 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:14,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:14,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:14,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:14,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:14,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:14,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:14,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:14,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:14,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:14,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:14,504 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:14,505 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:14,520 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:14,522 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:14,544 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:14,546 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:14,568 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:14,570 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:14,594 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:14,596 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:14,617 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:14,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:14,642 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:14,643 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:14,670 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:14,674 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:14,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:14,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:16:14,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926214021] [2021-02-21 21:16:14,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:14,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-21 21:16:14,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264469050] [2021-02-21 21:16:14,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-21 21:16:14,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:14,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-21 21:16:14,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-02-21 21:16:14,751 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand 13 states. [2021-02-21 21:16:15,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:15,352 INFO L93 Difference]: Finished difference Result 123 states and 133 transitions. [2021-02-21 21:16:15,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-21 21:16:15,353 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 65 [2021-02-21 21:16:15,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:15,355 INFO L225 Difference]: With dead ends: 123 [2021-02-21 21:16:15,355 INFO L226 Difference]: Without dead ends: 86 [2021-02-21 21:16:15,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2021-02-21 21:16:15,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-02-21 21:16:15,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82. [2021-02-21 21:16:15,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-02-21 21:16:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 87 transitions. [2021-02-21 21:16:15,371 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 87 transitions. Word has length 65 [2021-02-21 21:16:15,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:15,372 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 87 transitions. [2021-02-21 21:16:15,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-21 21:16:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2021-02-21 21:16:15,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-02-21 21:16:15,373 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:15,373 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 21:16:15,374 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-21 21:16:15,374 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:15,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:15,374 INFO L82 PathProgramCache]: Analyzing trace with hash -141999392, now seen corresponding path program 4 times [2021-02-21 21:16:15,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:15,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [220987426] [2021-02-21 21:16:15,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:15,387 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:15,388 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:15,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:15,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:15,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:15,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:15,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:15,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:15,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:15,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:15,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:15,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:15,525 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:15,526 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:15,536 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,563 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,565 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,584 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,585 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,621 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,622 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,646 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,647 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,675 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,676 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,706 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,708 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,743 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,780 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:15,781 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:15,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:15,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:15,848 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 21:16:15,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [220987426] [2021-02-21 21:16:15,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:15,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-21 21:16:15,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896545096] [2021-02-21 21:16:15,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-21 21:16:15,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:15,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-21 21:16:15,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-02-21 21:16:15,851 INFO L87 Difference]: Start difference. First operand 82 states and 87 transitions. Second operand 15 states. [2021-02-21 21:16:16,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:16,440 INFO L93 Difference]: Finished difference Result 129 states and 139 transitions. [2021-02-21 21:16:16,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-21 21:16:16,440 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 71 [2021-02-21 21:16:16,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:16,442 INFO L225 Difference]: With dead ends: 129 [2021-02-21 21:16:16,442 INFO L226 Difference]: Without dead ends: 92 [2021-02-21 21:16:16,443 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 21:16:16,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-02-21 21:16:16,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 88. [2021-02-21 21:16:16,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2021-02-21 21:16:16,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 93 transitions. [2021-02-21 21:16:16,459 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 93 transitions. Word has length 71 [2021-02-21 21:16:16,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:16,460 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 93 transitions. [2021-02-21 21:16:16,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-21 21:16:16,460 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2021-02-21 21:16:16,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-02-21 21:16:16,461 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:16,462 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 21:16:16,462 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-21 21:16:16,462 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:16,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:16,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1815954172, now seen corresponding path program 5 times [2021-02-21 21:16:16,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:16,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1261292250] [2021-02-21 21:16:16,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:16,475 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:16,477 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:16,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:16,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:16,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:16,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:16,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:16,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:16,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:16,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:16,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:16,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:16,635 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:16,636 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:16,646 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,647 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,664 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,665 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,684 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,686 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,719 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,720 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,748 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,770 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,771 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,794 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,795 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,819 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,820 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,844 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,849 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,879 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,881 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,906 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:16,907 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:16,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:16,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:16,963 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 21:16:16,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1261292250] [2021-02-21 21:16:16,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:16,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-21 21:16:16,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263374606] [2021-02-21 21:16:16,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-21 21:16:16,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:16,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-21 21:16:16,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2021-02-21 21:16:16,967 INFO L87 Difference]: Start difference. First operand 88 states and 93 transitions. Second operand 17 states. [2021-02-21 21:16:17,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:17,660 INFO L93 Difference]: Finished difference Result 135 states and 145 transitions. [2021-02-21 21:16:17,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-21 21:16:17,660 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 77 [2021-02-21 21:16:17,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:17,662 INFO L225 Difference]: With dead ends: 135 [2021-02-21 21:16:17,662 INFO L226 Difference]: Without dead ends: 98 [2021-02-21 21:16:17,663 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 21:16:17,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-02-21 21:16:17,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2021-02-21 21:16:17,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-02-21 21:16:17,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 99 transitions. [2021-02-21 21:16:17,679 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 99 transitions. Word has length 77 [2021-02-21 21:16:17,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:17,679 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 99 transitions. [2021-02-21 21:16:17,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-21 21:16:17,680 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2021-02-21 21:16:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-02-21 21:16:17,681 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:17,681 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 21:16:17,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-21 21:16:17,682 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:17,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:17,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1394589208, now seen corresponding path program 6 times [2021-02-21 21:16:17,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:17,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [440079606] [2021-02-21 21:16:17,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:17,694 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:17,695 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:17,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:17,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:17,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:17,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:17,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:17,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:17,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:17,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:17,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:17,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:17,827 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:17,828 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:17,836 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,837 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,854 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,855 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,873 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,874 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,899 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,899 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,920 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,946 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,947 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:17,971 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:17,972 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:18,001 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:18,002 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:18,029 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:18,030 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:18,062 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:18,063 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:18,089 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:18,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:18,122 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:18,126 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:18,154 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:18,155 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:18,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:18,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:18,223 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 21:16:18,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [440079606] [2021-02-21 21:16:18,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:18,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-02-21 21:16:18,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818114824] [2021-02-21 21:16:18,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-21 21:16:18,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:18,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-21 21:16:18,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2021-02-21 21:16:18,227 INFO L87 Difference]: Start difference. First operand 94 states and 99 transitions. Second operand 19 states. [2021-02-21 21:16:18,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:18,985 INFO L93 Difference]: Finished difference Result 141 states and 151 transitions. [2021-02-21 21:16:18,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-21 21:16:18,986 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 83 [2021-02-21 21:16:18,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:18,987 INFO L225 Difference]: With dead ends: 141 [2021-02-21 21:16:18,987 INFO L226 Difference]: Without dead ends: 104 [2021-02-21 21:16:18,989 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 21:16:18,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-02-21 21:16:19,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2021-02-21 21:16:19,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-02-21 21:16:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 105 transitions. [2021-02-21 21:16:19,005 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 105 transitions. Word has length 83 [2021-02-21 21:16:19,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:19,006 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 105 transitions. [2021-02-21 21:16:19,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-21 21:16:19,006 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2021-02-21 21:16:19,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-02-21 21:16:19,007 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:19,008 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 21:16:19,008 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-21 21:16:19,008 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:19,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:19,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1881699380, now seen corresponding path program 7 times [2021-02-21 21:16:19,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:19,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [936073138] [2021-02-21 21:16:19,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:19,021 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:19,022 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:19,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:19,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:19,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:19,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:19,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:19,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:19,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:19,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:19,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:19,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:19,193 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:19,194 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:19,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,204 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,219 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,220 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,239 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,241 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,260 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,261 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,283 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,283 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,347 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,348 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,373 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,374 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,402 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,402 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,430 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,431 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,458 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,459 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,489 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,490 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,521 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,522 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,553 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,554 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,587 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:19,587 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:19,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:19,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:19,663 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 21:16:19,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [936073138] [2021-02-21 21:16:19,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:19,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-02-21 21:16:19,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49499999] [2021-02-21 21:16:19,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-21 21:16:19,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:19,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-21 21:16:19,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2021-02-21 21:16:19,666 INFO L87 Difference]: Start difference. First operand 100 states and 105 transitions. Second operand 21 states. [2021-02-21 21:16:20,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:20,518 INFO L93 Difference]: Finished difference Result 147 states and 157 transitions. [2021-02-21 21:16:20,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-21 21:16:20,519 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 89 [2021-02-21 21:16:20,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:20,520 INFO L225 Difference]: With dead ends: 147 [2021-02-21 21:16:20,521 INFO L226 Difference]: Without dead ends: 110 [2021-02-21 21:16:20,523 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 21:16:20,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-02-21 21:16:20,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2021-02-21 21:16:20,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-02-21 21:16:20,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 111 transitions. [2021-02-21 21:16:20,538 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 111 transitions. Word has length 89 [2021-02-21 21:16:20,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:20,539 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 111 transitions. [2021-02-21 21:16:20,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2021-02-21 21:16:20,539 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2021-02-21 21:16:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-02-21 21:16:20,540 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:20,540 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 21:16:20,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-21 21:16:20,541 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:20,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:20,541 INFO L82 PathProgramCache]: Analyzing trace with hash 511649104, now seen corresponding path program 8 times [2021-02-21 21:16:20,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:20,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280079573] [2021-02-21 21:16:20,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:20,552 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:20,554 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:20,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:20,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:20,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:20,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:20,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:20,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:20,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:20,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:20,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:20,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:20,692 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:20,693 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:20,702 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,703 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,721 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,739 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,742 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,763 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,764 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,784 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,785 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,806 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,807 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,829 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,829 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,852 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,852 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,875 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,911 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,912 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,942 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,943 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:20,979 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:20,979 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:21,014 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:21,015 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:21,051 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:21,053 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:21,091 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:21,092 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:21,131 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:21,134 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:21,169 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:21,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:21,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:21,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:21,258 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 21:16:21,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280079573] [2021-02-21 21:16:21,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:21,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-02-21 21:16:21,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2817906] [2021-02-21 21:16:21,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-21 21:16:21,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:21,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-21 21:16:21,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2021-02-21 21:16:21,265 INFO L87 Difference]: Start difference. First operand 106 states and 111 transitions. Second operand 23 states. [2021-02-21 21:16:22,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:22,298 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2021-02-21 21:16:22,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-21 21:16:22,298 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 95 [2021-02-21 21:16:22,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:22,300 INFO L225 Difference]: With dead ends: 153 [2021-02-21 21:16:22,300 INFO L226 Difference]: Without dead ends: 116 [2021-02-21 21:16:22,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=507, Invalid=1299, Unknown=0, NotChecked=0, Total=1806 [2021-02-21 21:16:22,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-02-21 21:16:22,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 112. [2021-02-21 21:16:22,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-02-21 21:16:22,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 117 transitions. [2021-02-21 21:16:22,317 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 117 transitions. Word has length 95 [2021-02-21 21:16:22,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:22,317 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 117 transitions. [2021-02-21 21:16:22,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-02-21 21:16:22,318 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 117 transitions. [2021-02-21 21:16:22,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-02-21 21:16:22,319 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:22,319 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 21:16:22,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-21 21:16:22,319 INFO L428 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:22,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:22,320 INFO L82 PathProgramCache]: Analyzing trace with hash 746295660, now seen corresponding path program 9 times [2021-02-21 21:16:22,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:22,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1290992373] [2021-02-21 21:16:22,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:22,332 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:22,334 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:22,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:22,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:22,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:22,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:22,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:22,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:22,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:22,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:22,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:22,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:22,472 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:22,473 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:22,483 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,500 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,501 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,520 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,520 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,561 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,562 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,606 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,607 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,629 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,629 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,652 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,653 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,678 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,704 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,705 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,731 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,732 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,761 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,762 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,822 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,853 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,854 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,887 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,887 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,929 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,930 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:22,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:22,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:23,002 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:23,003 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:23,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:23,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:23,099 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 21:16:23,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1290992373] [2021-02-21 21:16:23,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:23,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-02-21 21:16:23,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574377643] [2021-02-21 21:16:23,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-21 21:16:23,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:23,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-21 21:16:23,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2021-02-21 21:16:23,102 INFO L87 Difference]: Start difference. First operand 112 states and 117 transitions. Second operand 25 states. [2021-02-21 21:16:24,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:24,272 INFO L93 Difference]: Finished difference Result 159 states and 169 transitions. [2021-02-21 21:16:24,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-21 21:16:24,272 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 101 [2021-02-21 21:16:24,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:24,274 INFO L225 Difference]: With dead ends: 159 [2021-02-21 21:16:24,274 INFO L226 Difference]: Without dead ends: 122 [2021-02-21 21:16:24,275 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 21:16:24,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-02-21 21:16:24,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 118. [2021-02-21 21:16:24,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-02-21 21:16:24,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 123 transitions. [2021-02-21 21:16:24,291 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 123 transitions. Word has length 101 [2021-02-21 21:16:24,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:24,291 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 123 transitions. [2021-02-21 21:16:24,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2021-02-21 21:16:24,292 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2021-02-21 21:16:24,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-02-21 21:16:24,293 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:24,293 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 21:16:24,293 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-21 21:16:24,293 INFO L428 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:24,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:24,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1213892472, now seen corresponding path program 10 times [2021-02-21 21:16:24,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:24,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762976586] [2021-02-21 21:16:24,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:24,309 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:24,310 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:24,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:24,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:24,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:24,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:24,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:24,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:24,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:24,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:24,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:24,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:24,455 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:24,455 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:24,464 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,464 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,481 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,482 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,499 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,500 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,522 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,523 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,542 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,542 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,562 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,563 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,586 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,587 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,608 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,609 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,631 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,632 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,656 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,657 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,683 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,684 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,712 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,741 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,772 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,772 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,803 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,804 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,873 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,873 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,906 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,907 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:24,941 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:24,942 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:25,000 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:25,001 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:25,037 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:25,038 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:25,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:25,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:25,143 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 21:16:25,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762976586] [2021-02-21 21:16:25,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:25,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-02-21 21:16:25,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981617409] [2021-02-21 21:16:25,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-02-21 21:16:25,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:25,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-02-21 21:16:25,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2021-02-21 21:16:25,146 INFO L87 Difference]: Start difference. First operand 118 states and 123 transitions. Second operand 27 states. [2021-02-21 21:16:26,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:26,489 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2021-02-21 21:16:26,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-21 21:16:26,490 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 107 [2021-02-21 21:16:26,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:26,491 INFO L225 Difference]: With dead ends: 165 [2021-02-21 21:16:26,491 INFO L226 Difference]: Without dead ends: 128 [2021-02-21 21:16:26,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=725, Invalid=1825, Unknown=0, NotChecked=0, Total=2550 [2021-02-21 21:16:26,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-02-21 21:16:26,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2021-02-21 21:16:26,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2021-02-21 21:16:26,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 129 transitions. [2021-02-21 21:16:26,507 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 129 transitions. Word has length 107 [2021-02-21 21:16:26,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:26,507 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 129 transitions. [2021-02-21 21:16:26,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2021-02-21 21:16:26,507 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2021-02-21 21:16:26,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-02-21 21:16:26,509 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:26,509 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 21:16:26,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-21 21:16:26,510 INFO L428 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:26,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:26,510 INFO L82 PathProgramCache]: Analyzing trace with hash 146053796, now seen corresponding path program 11 times [2021-02-21 21:16:26,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:26,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954499117] [2021-02-21 21:16:26,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:26,527 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:26,529 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:26,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:26,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:26,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:26,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:26,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:26,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:26,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:26,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:26,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:26,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:26,718 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:26,718 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:26,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,727 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,761 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,764 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,783 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,783 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,803 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 21:16:26,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,847 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,848 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,871 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,872 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,893 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,894 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,925 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,926 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,958 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:26,993 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:26,994 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:27,031 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:27,032 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:27,061 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:27,061 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:27,090 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:27,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:27,122 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:27,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:27,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:27,163 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:27,205 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:27,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:27,250 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:27,250 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:27,295 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:27,296 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:27,342 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:27,343 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:27,387 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:27,387 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:27,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:27,435 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:27,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:27,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:27,553 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 21:16:27,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954499117] [2021-02-21 21:16:27,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:27,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-02-21 21:16:27,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525863071] [2021-02-21 21:16:27,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-02-21 21:16:27,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:27,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-02-21 21:16:27,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2021-02-21 21:16:27,556 INFO L87 Difference]: Start difference. First operand 124 states and 129 transitions. Second operand 29 states. [2021-02-21 21:16:29,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:29,201 INFO L93 Difference]: Finished difference Result 171 states and 181 transitions. [2021-02-21 21:16:29,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-02-21 21:16:29,201 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 113 [2021-02-21 21:16:29,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:29,202 INFO L225 Difference]: With dead ends: 171 [2021-02-21 21:16:29,203 INFO L226 Difference]: Without dead ends: 134 [2021-02-21 21:16:29,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=849, Invalid=2121, Unknown=0, NotChecked=0, Total=2970 [2021-02-21 21:16:29,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-02-21 21:16:29,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 130. [2021-02-21 21:16:29,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2021-02-21 21:16:29,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 135 transitions. [2021-02-21 21:16:29,219 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 135 transitions. Word has length 113 [2021-02-21 21:16:29,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:29,220 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 135 transitions. [2021-02-21 21:16:29,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2021-02-21 21:16:29,220 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2021-02-21 21:16:29,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-02-21 21:16:29,221 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:29,221 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 21:16:29,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-21 21:16:29,222 INFO L428 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:29,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:29,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1871755200, now seen corresponding path program 12 times [2021-02-21 21:16:29,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:29,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2117431326] [2021-02-21 21:16:29,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:29,234 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:29,236 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:29,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:29,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:29,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:29,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:29,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:29,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:29,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:29,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:29,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:29,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:29,383 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:29,384 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:29,392 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,393 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,409 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,410 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,427 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,427 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,446 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,465 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,465 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,486 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,486 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,507 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,507 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,529 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,530 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,560 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,561 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,588 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,589 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,621 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,621 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,657 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,658 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,692 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,693 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,730 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,732 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,771 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,772 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,806 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,806 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,838 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,839 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,881 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,882 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,922 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,923 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:29,968 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:29,969 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:30,013 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:30,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:30,061 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:30,062 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:30,114 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:30,115 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:30,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:30,163 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:30,212 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:30,213 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:30,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:30,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:30,352 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 21:16:30,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2117431326] [2021-02-21 21:16:30,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:30,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-02-21 21:16:30,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360846469] [2021-02-21 21:16:30,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-02-21 21:16:30,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:30,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-02-21 21:16:30,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2021-02-21 21:16:30,355 INFO L87 Difference]: Start difference. First operand 130 states and 135 transitions. Second operand 31 states. [2021-02-21 21:16:32,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:32,001 INFO L93 Difference]: Finished difference Result 177 states and 187 transitions. [2021-02-21 21:16:32,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-21 21:16:32,002 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 119 [2021-02-21 21:16:32,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:32,003 INFO L225 Difference]: With dead ends: 177 [2021-02-21 21:16:32,004 INFO L226 Difference]: Without dead ends: 140 [2021-02-21 21:16:32,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 579 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=983, Invalid=2439, Unknown=0, NotChecked=0, Total=3422 [2021-02-21 21:16:32,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-02-21 21:16:32,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2021-02-21 21:16:32,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-02-21 21:16:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 141 transitions. [2021-02-21 21:16:32,023 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 141 transitions. Word has length 119 [2021-02-21 21:16:32,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:32,024 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 141 transitions. [2021-02-21 21:16:32,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2021-02-21 21:16:32,024 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 141 transitions. [2021-02-21 21:16:32,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-02-21 21:16:32,025 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:32,025 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 21:16:32,026 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-21 21:16:32,026 INFO L428 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:32,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:32,026 INFO L82 PathProgramCache]: Analyzing trace with hash 525438940, now seen corresponding path program 13 times [2021-02-21 21:16:32,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:32,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [440287412] [2021-02-21 21:16:32,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:32,037 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:32,039 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:32,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:32,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:32,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:32,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:32,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:32,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:32,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:32,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:32,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:32,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:32,208 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:32,209 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:32,218 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,218 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,234 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,235 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,258 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,259 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,281 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,282 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,302 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,303 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,323 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,323 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,343 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,344 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,365 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,366 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 21:16:32,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,412 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,435 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,436 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,462 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,463 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,496 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,497 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,532 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,533 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,567 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,568 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,601 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,601 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,639 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,679 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,680 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,723 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,724 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,768 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,769 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,813 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,814 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,862 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,909 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,910 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:32,960 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:32,961 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:33,011 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:33,012 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:33,064 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:33,065 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:33,119 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:33,120 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:33,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:33,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:33,244 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 21:16:33,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [440287412] [2021-02-21 21:16:33,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:33,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-02-21 21:16:33,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186763663] [2021-02-21 21:16:33,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-02-21 21:16:33,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:33,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-02-21 21:16:33,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=797, Unknown=0, NotChecked=0, Total=1056 [2021-02-21 21:16:33,247 INFO L87 Difference]: Start difference. First operand 136 states and 141 transitions. Second operand 33 states. [2021-02-21 21:16:35,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:35,065 INFO L93 Difference]: Finished difference Result 183 states and 193 transitions. [2021-02-21 21:16:35,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-21 21:16:35,066 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 125 [2021-02-21 21:16:35,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:35,067 INFO L225 Difference]: With dead ends: 183 [2021-02-21 21:16:35,068 INFO L226 Difference]: Without dead ends: 146 [2021-02-21 21:16:35,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1127, Invalid=2779, Unknown=0, NotChecked=0, Total=3906 [2021-02-21 21:16:35,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-02-21 21:16:35,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 142. [2021-02-21 21:16:35,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2021-02-21 21:16:35,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 147 transitions. [2021-02-21 21:16:35,086 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 147 transitions. Word has length 125 [2021-02-21 21:16:35,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:35,086 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 147 transitions. [2021-02-21 21:16:35,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2021-02-21 21:16:35,086 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 147 transitions. [2021-02-21 21:16:35,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-02-21 21:16:35,088 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:35,088 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 21:16:35,088 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-02-21 21:16:35,088 INFO L428 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:35,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:35,089 INFO L82 PathProgramCache]: Analyzing trace with hash 171893496, now seen corresponding path program 14 times [2021-02-21 21:16:35,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:35,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [954202481] [2021-02-21 21:16:35,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:35,102 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:35,104 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:35,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:35,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:35,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:35,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:35,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:35,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:35,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:35,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:35,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:35,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:35,273 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:35,273 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:35,282 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,282 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,299 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,300 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,317 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,337 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,338 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,357 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,358 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,379 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,401 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,402 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,424 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,424 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,448 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,448 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,474 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,475 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,502 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,503 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,530 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,531 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,561 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,561 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,600 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,601 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,651 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,652 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,689 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,690 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,789 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,790 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,846 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,847 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,891 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,892 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:35,949 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:35,950 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:36,002 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:36,004 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:36,069 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:36,070 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:36,149 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:36,150 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:36,205 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:36,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:36,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:36,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:36,330 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:36,331 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:36,382 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:36,382 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:36,428 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:36,429 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:36,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:36,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:36,578 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 21:16:36,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [954202481] [2021-02-21 21:16:36,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:36,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-02-21 21:16:36,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337062526] [2021-02-21 21:16:36,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-02-21 21:16:36,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:36,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-02-21 21:16:36,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=898, Unknown=0, NotChecked=0, Total=1190 [2021-02-21 21:16:36,581 INFO L87 Difference]: Start difference. First operand 142 states and 147 transitions. Second operand 35 states. [2021-02-21 21:16:38,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:38,634 INFO L93 Difference]: Finished difference Result 189 states and 199 transitions. [2021-02-21 21:16:38,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-02-21 21:16:38,634 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 131 [2021-02-21 21:16:38,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:38,636 INFO L225 Difference]: With dead ends: 189 [2021-02-21 21:16:38,636 INFO L226 Difference]: Without dead ends: 152 [2021-02-21 21:16:38,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1281, Invalid=3141, Unknown=0, NotChecked=0, Total=4422 [2021-02-21 21:16:38,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-02-21 21:16:38,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 148. [2021-02-21 21:16:38,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2021-02-21 21:16:38,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 153 transitions. [2021-02-21 21:16:38,657 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 153 transitions. Word has length 131 [2021-02-21 21:16:38,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:38,657 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 153 transitions. [2021-02-21 21:16:38,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2021-02-21 21:16:38,657 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 153 transitions. [2021-02-21 21:16:38,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-02-21 21:16:38,658 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:38,659 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 21:16:38,659 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-02-21 21:16:38,659 INFO L428 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:38,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:38,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1110413036, now seen corresponding path program 15 times [2021-02-21 21:16:38,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:38,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247093458] [2021-02-21 21:16:38,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:38,672 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:38,673 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:38,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:38,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:38,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:38,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:38,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:38,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:38,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:38,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:38,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:38,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:38,851 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:38,852 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:38,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,861 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,878 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,879 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,896 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,897 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,916 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,916 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,935 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,936 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,956 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,957 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:38,978 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:38,978 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,001 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,002 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,026 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,026 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,052 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,052 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,088 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,089 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,115 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,116 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,143 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,144 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,173 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,173 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,204 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,237 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,238 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,271 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,304 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,305 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,340 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,340 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,375 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,376 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,412 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,413 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,449 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,449 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,492 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,494 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,542 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,543 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,594 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,595 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,648 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,649 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,703 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,704 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,759 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,760 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,816 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,819 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,876 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,937 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:39,938 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:39,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:40,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:40,077 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 21:16:40,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247093458] [2021-02-21 21:16:40,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:40,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-02-21 21:16:40,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817834895] [2021-02-21 21:16:40,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-02-21 21:16:40,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:40,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-02-21 21:16:40,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=1005, Unknown=0, NotChecked=0, Total=1332 [2021-02-21 21:16:40,079 INFO L87 Difference]: Start difference. First operand 148 states and 153 transitions. Second operand 37 states. [2021-02-21 21:16:42,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:42,197 INFO L93 Difference]: Finished difference Result 195 states and 205 transitions. [2021-02-21 21:16:42,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-02-21 21:16:42,198 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 137 [2021-02-21 21:16:42,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:42,199 INFO L225 Difference]: With dead ends: 195 [2021-02-21 21:16:42,199 INFO L226 Difference]: Without dead ends: 158 [2021-02-21 21:16:42,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1445, Invalid=3525, Unknown=0, NotChecked=0, Total=4970 [2021-02-21 21:16:42,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-02-21 21:16:42,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 154. [2021-02-21 21:16:42,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2021-02-21 21:16:42,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 159 transitions. [2021-02-21 21:16:42,222 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 159 transitions. Word has length 137 [2021-02-21 21:16:42,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:42,222 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 159 transitions. [2021-02-21 21:16:42,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 37 states. [2021-02-21 21:16:42,223 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 159 transitions. [2021-02-21 21:16:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-02-21 21:16:42,225 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:42,225 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 21:16:42,225 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-02-21 21:16:42,226 INFO L428 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:42,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:42,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1051589168, now seen corresponding path program 16 times [2021-02-21 21:16:42,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:42,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704999343] [2021-02-21 21:16:42,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:42,238 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:42,240 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:42,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:42,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:42,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:42,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:42,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:42,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:42,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:42,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:42,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:42,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:42,426 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:42,426 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:42,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,435 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,450 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,451 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,468 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,468 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,487 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,488 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,510 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,511 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,534 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,534 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,581 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,582 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,607 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,608 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,633 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,633 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,659 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,660 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,688 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,724 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,725 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,759 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,761 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,795 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,796 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,832 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,866 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,866 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,903 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,904 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,944 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,944 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:42,986 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:42,986 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:43,029 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:43,030 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:43,077 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:43,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:43,127 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:43,128 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:43,178 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:43,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:43,230 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:43,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:43,284 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:43,285 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:43,340 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:43,341 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:43,397 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:43,398 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:43,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:43,454 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:43,513 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:43,516 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:43,574 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:43,575 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:43,635 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:43,636 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:43,697 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:43,700 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:43,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:43,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:43,869 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 21:16:43,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704999343] [2021-02-21 21:16:43,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:43,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-02-21 21:16:43,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41261238] [2021-02-21 21:16:43,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-02-21 21:16:43,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:43,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-02-21 21:16:43,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=1118, Unknown=0, NotChecked=0, Total=1482 [2021-02-21 21:16:43,872 INFO L87 Difference]: Start difference. First operand 154 states and 159 transitions. Second operand 39 states. [2021-02-21 21:16:46,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:46,477 INFO L93 Difference]: Finished difference Result 201 states and 211 transitions. [2021-02-21 21:16:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-02-21 21:16:46,477 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 143 [2021-02-21 21:16:46,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:46,479 INFO L225 Difference]: With dead ends: 201 [2021-02-21 21:16:46,480 INFO L226 Difference]: Without dead ends: 164 [2021-02-21 21:16:46,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1619, Invalid=3931, Unknown=0, NotChecked=0, Total=5550 [2021-02-21 21:16:46,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-02-21 21:16:46,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2021-02-21 21:16:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2021-02-21 21:16:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 165 transitions. [2021-02-21 21:16:46,504 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 165 transitions. Word has length 143 [2021-02-21 21:16:46,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:46,505 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 165 transitions. [2021-02-21 21:16:46,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 39 states. [2021-02-21 21:16:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2021-02-21 21:16:46,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-02-21 21:16:46,506 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:46,506 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 21:16:46,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-02-21 21:16:46,506 INFO L428 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:46,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:46,507 INFO L82 PathProgramCache]: Analyzing trace with hash -458277300, now seen corresponding path program 17 times [2021-02-21 21:16:46,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:46,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2025613538] [2021-02-21 21:16:46,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:46,517 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:46,518 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:46,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:46,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:46,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:46,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:46,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:46,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:46,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:46,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:46,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:46,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:46,677 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:46,677 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:46,685 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,686 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 21:16:46,719 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,720 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,739 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,739 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,759 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,760 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,780 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,781 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,803 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,803 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,826 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,827 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,850 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,851 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,876 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,903 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,904 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,931 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,931 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:46,965 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:46,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,003 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,008 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,044 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,045 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,085 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,086 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,126 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,169 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,213 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,258 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,259 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,309 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,351 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,352 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,401 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,401 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,459 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,459 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,510 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,511 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,563 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,564 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,618 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,674 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,675 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,729 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,730 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,787 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,788 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,846 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,847 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,909 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,912 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:47,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:47,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:48,029 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:48,030 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:48,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:48,093 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:48,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:48,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:48,252 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 21:16:48,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2025613538] [2021-02-21 21:16:48,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:48,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2021-02-21 21:16:48,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531097788] [2021-02-21 21:16:48,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-02-21 21:16:48,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:48,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-02-21 21:16:48,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=403, Invalid=1237, Unknown=0, NotChecked=0, Total=1640 [2021-02-21 21:16:48,254 INFO L87 Difference]: Start difference. First operand 160 states and 165 transitions. Second operand 41 states. [2021-02-21 21:16:50,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:50,951 INFO L93 Difference]: Finished difference Result 207 states and 217 transitions. [2021-02-21 21:16:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-02-21 21:16:50,952 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 149 [2021-02-21 21:16:50,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:50,953 INFO L225 Difference]: With dead ends: 207 [2021-02-21 21:16:50,954 INFO L226 Difference]: Without dead ends: 170 [2021-02-21 21:16:50,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1074 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1803, Invalid=4359, Unknown=0, NotChecked=0, Total=6162 [2021-02-21 21:16:50,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-02-21 21:16:50,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 166. [2021-02-21 21:16:50,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2021-02-21 21:16:50,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 171 transitions. [2021-02-21 21:16:50,976 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 171 transitions. Word has length 149 [2021-02-21 21:16:50,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:50,976 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 171 transitions. [2021-02-21 21:16:50,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2021-02-21 21:16:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 171 transitions. [2021-02-21 21:16:50,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-02-21 21:16:50,977 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:50,977 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 21:16:50,978 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-02-21 21:16:50,978 INFO L428 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:50,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:50,978 INFO L82 PathProgramCache]: Analyzing trace with hash 920386920, now seen corresponding path program 18 times [2021-02-21 21:16:50,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:50,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [547031297] [2021-02-21 21:16:50,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:50,989 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:50,990 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:51,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:51,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:51,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:51,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:51,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:51,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:51,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:51,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:51,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:51,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:51,170 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:51,171 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:51,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,181 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,200 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,201 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,243 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,244 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,264 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,265 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,286 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,286 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,338 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,339 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,365 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,365 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,391 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,392 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,420 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,420 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,448 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,449 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,477 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,478 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,510 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,511 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,543 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,543 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,576 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,577 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,612 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,613 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,647 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,648 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,697 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,698 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,797 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,797 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,848 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,849 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,901 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,902 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:51,954 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:51,954 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:52,001 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:52,002 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:52,049 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:52,049 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:52,092 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:52,093 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:52,138 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:52,139 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:52,184 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:52,185 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:52,232 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:52,233 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:52,293 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:52,294 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:52,354 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:52,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:52,421 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:52,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:52,489 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:52,490 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:52,555 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:52,556 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:52,625 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:52,626 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:52,694 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:52,695 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:52,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:52,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:52,866 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 21:16:52,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [547031297] [2021-02-21 21:16:52,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:52,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2021-02-21 21:16:52,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569226280] [2021-02-21 21:16:52,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-02-21 21:16:52,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:52,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-02-21 21:16:52,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=1362, Unknown=0, NotChecked=0, Total=1806 [2021-02-21 21:16:52,868 INFO L87 Difference]: Start difference. First operand 166 states and 171 transitions. Second operand 43 states. [2021-02-21 21:16:55,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:16:55,674 INFO L93 Difference]: Finished difference Result 213 states and 223 transitions. [2021-02-21 21:16:55,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-02-21 21:16:55,676 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 155 [2021-02-21 21:16:55,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:16:55,678 INFO L225 Difference]: With dead ends: 213 [2021-02-21 21:16:55,678 INFO L226 Difference]: Without dead ends: 176 [2021-02-21 21:16:55,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1191 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1997, Invalid=4809, Unknown=0, NotChecked=0, Total=6806 [2021-02-21 21:16:55,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-02-21 21:16:55,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2021-02-21 21:16:55,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2021-02-21 21:16:55,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 177 transitions. [2021-02-21 21:16:55,705 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 177 transitions. Word has length 155 [2021-02-21 21:16:55,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:16:55,705 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 177 transitions. [2021-02-21 21:16:55,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 43 states. [2021-02-21 21:16:55,706 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2021-02-21 21:16:55,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-02-21 21:16:55,707 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:16:55,707 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 21:16:55,707 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-02-21 21:16:55,707 INFO L428 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:16:55,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:16:55,708 INFO L82 PathProgramCache]: Analyzing trace with hash -949225596, now seen corresponding path program 19 times [2021-02-21 21:16:55,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:16:55,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762970215] [2021-02-21 21:16:55,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:16:55,720 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:16:55,722 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:16:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:55,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:55,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:55,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:55,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:55,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:16:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:55,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:55,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:55,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:16:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:16:55,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:55,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:16:55,915 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:16:55,916 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:16:55,924 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,941 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,942 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,960 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,961 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,979 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:55,980 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:55,999 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,000 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,021 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,045 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,045 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,076 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,077 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,108 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,109 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,182 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,182 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,217 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,217 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,254 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,255 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,293 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,294 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,333 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,334 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,375 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,415 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,416 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,459 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,460 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,500 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,501 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,542 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,543 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,584 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,585 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,629 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,630 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,681 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,682 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,727 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,778 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,778 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,827 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,828 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,878 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,879 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,931 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,931 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:56,988 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:56,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:57,047 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:57,048 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:57,101 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:57,102 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:57,165 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:57,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:57,228 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:57,230 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:57,292 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:57,293 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:57,359 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:57,360 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:57,427 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:57,428 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:57,497 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:57,498 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:57,574 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:57,575 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:57,646 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:16:57,647 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:16:57,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:16:57,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:16:57,832 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 21:16:57,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762970215] [2021-02-21 21:16:57,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:16:57,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2021-02-21 21:16:57,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911235334] [2021-02-21 21:16:57,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-02-21 21:16:57,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:16:57,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-02-21 21:16:57,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=487, Invalid=1493, Unknown=0, NotChecked=0, Total=1980 [2021-02-21 21:16:57,834 INFO L87 Difference]: Start difference. First operand 172 states and 177 transitions. Second operand 45 states. [2021-02-21 21:17:00,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:00,806 INFO L93 Difference]: Finished difference Result 219 states and 229 transitions. [2021-02-21 21:17:00,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-02-21 21:17:00,808 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 161 [2021-02-21 21:17:00,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:00,812 INFO L225 Difference]: With dead ends: 219 [2021-02-21 21:17:00,812 INFO L226 Difference]: Without dead ends: 182 [2021-02-21 21:17:00,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1314 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=2201, Invalid=5281, Unknown=0, NotChecked=0, Total=7482 [2021-02-21 21:17:00,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-02-21 21:17:00,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 178. [2021-02-21 21:17:00,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2021-02-21 21:17:00,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 183 transitions. [2021-02-21 21:17:00,844 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 183 transitions. Word has length 161 [2021-02-21 21:17:00,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:00,845 INFO L480 AbstractCegarLoop]: Abstraction has 178 states and 183 transitions. [2021-02-21 21:17:00,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 45 states. [2021-02-21 21:17:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 183 transitions. [2021-02-21 21:17:00,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-02-21 21:17:00,846 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:00,846 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 21:17:00,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-02-21 21:17:00,847 INFO L428 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:00,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:00,847 INFO L82 PathProgramCache]: Analyzing trace with hash 264694944, now seen corresponding path program 20 times [2021-02-21 21:17:00,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:00,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1305900635] [2021-02-21 21:17:00,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:00,860 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:00,862 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:00,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:00,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:00,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:00,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:00,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:00,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:00,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:00,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:01,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:01,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:01,090 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:01,091 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:01,102 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,102 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,168 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,169 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,191 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,192 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,215 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,216 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,240 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,240 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,264 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,265 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,290 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,290 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,317 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,346 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,346 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,375 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,403 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,404 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,435 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,435 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,466 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,467 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,499 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,500 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,542 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,543 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,587 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,590 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,633 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,634 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,680 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,681 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,729 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,730 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,779 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,779 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,830 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,831 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,882 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,883 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,936 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,936 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:01,990 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:01,991 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:02,047 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:02,048 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:02,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:02,106 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:02,164 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:02,165 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:02,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:02,226 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:02,287 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:02,288 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:02,350 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:02,351 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:02,416 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:02,419 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:02,481 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:02,482 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:02,560 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:02,561 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:02,631 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:02,632 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:02,702 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:02,703 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:02,771 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:02,771 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:02,842 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:02,843 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:02,917 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:02,917 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:02,993 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:02,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:03,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:03,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:03,191 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 21:17:03,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1305900635] [2021-02-21 21:17:03,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:03,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2021-02-21 21:17:03,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016103784] [2021-02-21 21:17:03,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-02-21 21:17:03,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:03,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-02-21 21:17:03,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=532, Invalid=1630, Unknown=0, NotChecked=0, Total=2162 [2021-02-21 21:17:03,193 INFO L87 Difference]: Start difference. First operand 178 states and 183 transitions. Second operand 47 states. [2021-02-21 21:17:06,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:06,633 INFO L93 Difference]: Finished difference Result 225 states and 235 transitions. [2021-02-21 21:17:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-02-21 21:17:06,634 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 167 [2021-02-21 21:17:06,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:06,636 INFO L225 Difference]: With dead ends: 225 [2021-02-21 21:17:06,636 INFO L226 Difference]: Without dead ends: 188 [2021-02-21 21:17:06,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1443 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=2415, Invalid=5775, Unknown=0, NotChecked=0, Total=8190 [2021-02-21 21:17:06,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-02-21 21:17:06,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 184. [2021-02-21 21:17:06,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2021-02-21 21:17:06,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 189 transitions. [2021-02-21 21:17:06,661 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 189 transitions. Word has length 167 [2021-02-21 21:17:06,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:06,662 INFO L480 AbstractCegarLoop]: Abstraction has 184 states and 189 transitions. [2021-02-21 21:17:06,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 47 states. [2021-02-21 21:17:06,662 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 189 transitions. [2021-02-21 21:17:06,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-02-21 21:17:06,663 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:06,663 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 21:17:06,663 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-02-21 21:17:06,663 INFO L428 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:06,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:06,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1283759292, now seen corresponding path program 21 times [2021-02-21 21:17:06,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:06,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714100901] [2021-02-21 21:17:06,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:06,675 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:06,676 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:06,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:06,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:06,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:06,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:06,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:06,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:06,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:06,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:06,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:06,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:06,891 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:06,891 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:06,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,901 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,919 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,941 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,941 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:06,987 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:06,987 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,010 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,010 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,034 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,035 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,061 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,062 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,088 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,089 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,116 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,117 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,144 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,144 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,172 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,173 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,204 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,205 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,235 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,235 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,269 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,269 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,304 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,304 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,338 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,339 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,373 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,374 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,419 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,420 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,466 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,467 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,526 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,527 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,577 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,578 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,628 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,628 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,679 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,681 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,732 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,733 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,785 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,786 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,893 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,894 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:07,953 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:07,954 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:08,013 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:08,014 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:08,076 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:08,076 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:08,138 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:08,139 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:08,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:08,204 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:08,271 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:08,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:08,339 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:08,340 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:08,409 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:08,409 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:08,479 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:08,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:08,551 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:08,552 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:08,625 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:08,626 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:08,682 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:08,683 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:08,757 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:08,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:08,835 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:08,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:08,912 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:08,913 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:08,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:08,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:09,131 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 21:17:09,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714100901] [2021-02-21 21:17:09,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:09,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2021-02-21 21:17:09,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811974556] [2021-02-21 21:17:09,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-02-21 21:17:09,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:09,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-02-21 21:17:09,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=1773, Unknown=0, NotChecked=0, Total=2352 [2021-02-21 21:17:09,133 INFO L87 Difference]: Start difference. First operand 184 states and 189 transitions. Second operand 49 states. [2021-02-21 21:17:12,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:12,986 INFO L93 Difference]: Finished difference Result 231 states and 241 transitions. [2021-02-21 21:17:12,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-02-21 21:17:12,986 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 173 [2021-02-21 21:17:12,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:12,988 INFO L225 Difference]: With dead ends: 231 [2021-02-21 21:17:12,988 INFO L226 Difference]: Without dead ends: 194 [2021-02-21 21:17:12,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1578 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=2639, Invalid=6291, Unknown=0, NotChecked=0, Total=8930 [2021-02-21 21:17:12,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-02-21 21:17:13,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 190. [2021-02-21 21:17:13,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2021-02-21 21:17:13,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 195 transitions. [2021-02-21 21:17:13,020 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 195 transitions. Word has length 173 [2021-02-21 21:17:13,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:13,020 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 195 transitions. [2021-02-21 21:17:13,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 49 states. [2021-02-21 21:17:13,021 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 195 transitions. [2021-02-21 21:17:13,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-21 21:17:13,022 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:13,022 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 21:17:13,022 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-02-21 21:17:13,022 INFO L428 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:13,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:13,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1500301272, now seen corresponding path program 22 times [2021-02-21 21:17:13,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:13,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [55718625] [2021-02-21 21:17:13,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:13,035 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:13,036 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:13,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:13,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:13,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:13,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:13,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:13,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:13,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:13,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:13,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:13,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:13,242 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:13,242 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:13,251 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,252 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,269 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,270 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,288 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,289 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,330 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,331 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,353 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,353 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,376 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,377 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,404 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,405 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,437 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,438 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,472 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,473 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,508 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,509 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,545 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,546 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,586 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,588 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,626 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,627 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,666 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,710 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,711 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,753 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,754 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,798 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,843 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,844 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,889 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,890 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,939 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,941 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:13,989 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:13,990 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,041 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,094 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,147 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,204 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,258 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,259 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,317 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,377 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,378 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,440 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,441 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,503 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,504 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,580 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,581 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,645 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,645 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,779 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,779 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,848 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,849 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,919 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:14,991 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:14,992 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:15,065 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:15,066 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:15,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:15,141 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:15,214 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:15,215 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:15,291 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:15,292 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:15,369 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:15,370 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:15,450 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:15,451 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:15,531 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:15,532 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:15,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:15,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:15,763 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 21:17:15,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [55718625] [2021-02-21 21:17:15,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:15,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-02-21 21:17:15,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401085245] [2021-02-21 21:17:15,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-02-21 21:17:15,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:15,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-02-21 21:17:15,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=628, Invalid=1922, Unknown=0, NotChecked=0, Total=2550 [2021-02-21 21:17:15,766 INFO L87 Difference]: Start difference. First operand 190 states and 195 transitions. Second operand 51 states. [2021-02-21 21:17:19,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:19,640 INFO L93 Difference]: Finished difference Result 237 states and 247 transitions. [2021-02-21 21:17:19,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-02-21 21:17:19,641 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 179 [2021-02-21 21:17:19,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:19,643 INFO L225 Difference]: With dead ends: 237 [2021-02-21 21:17:19,643 INFO L226 Difference]: Without dead ends: 200 [2021-02-21 21:17:19,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1719 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=2873, Invalid=6829, Unknown=0, NotChecked=0, Total=9702 [2021-02-21 21:17:19,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-02-21 21:17:19,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 196. [2021-02-21 21:17:19,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2021-02-21 21:17:19,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 201 transitions. [2021-02-21 21:17:19,677 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 201 transitions. Word has length 179 [2021-02-21 21:17:19,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:19,678 INFO L480 AbstractCegarLoop]: Abstraction has 196 states and 201 transitions. [2021-02-21 21:17:19,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 51 states. [2021-02-21 21:17:19,678 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 201 transitions. [2021-02-21 21:17:19,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-02-21 21:17:19,679 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:19,680 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 21:17:19,680 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-02-21 21:17:19,680 INFO L428 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:19,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:19,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1921569292, now seen corresponding path program 23 times [2021-02-21 21:17:19,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:19,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121093346] [2021-02-21 21:17:19,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:19,695 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:19,697 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:19,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:19,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:19,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:19,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:19,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:19,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:19,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:19,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:19,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:19,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:19,938 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:19,939 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:19,948 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,948 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:19,965 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:19,985 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:19,986 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,006 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,007 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,033 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,034 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,056 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,057 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,080 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,106 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,132 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,132 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,161 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,162 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,191 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,192 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,223 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,285 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,286 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,321 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,321 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,366 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,367 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,406 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,407 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,452 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,499 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,500 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,548 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,549 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,598 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,598 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,646 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,647 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,697 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,698 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,751 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,752 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,806 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,807 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,862 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,863 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,921 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,921 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:20,980 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:20,981 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:21,041 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:21,042 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:21,103 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:21,104 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:21,165 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:21,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:21,230 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:21,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:21,296 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:21,297 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:21,363 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:21,364 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:21,432 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:21,432 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:21,502 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:21,503 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:21,583 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:21,583 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:21,655 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:21,656 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:21,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:21,727 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:21,803 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:21,803 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:21,883 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:21,884 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:21,960 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:21,961 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:22,040 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:22,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:22,122 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:22,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:22,205 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:22,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:22,288 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:22,289 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:22,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:22,375 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:22,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:22,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:22,624 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 21:17:22,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121093346] [2021-02-21 21:17:22,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:22,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-02-21 21:17:22,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031536088] [2021-02-21 21:17:22,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-02-21 21:17:22,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:22,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-02-21 21:17:22,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=679, Invalid=2077, Unknown=0, NotChecked=0, Total=2756 [2021-02-21 21:17:22,626 INFO L87 Difference]: Start difference. First operand 196 states and 201 transitions. Second operand 53 states. [2021-02-21 21:17:26,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:26,988 INFO L93 Difference]: Finished difference Result 243 states and 253 transitions. [2021-02-21 21:17:26,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-02-21 21:17:26,989 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 185 [2021-02-21 21:17:26,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:26,991 INFO L225 Difference]: With dead ends: 243 [2021-02-21 21:17:26,991 INFO L226 Difference]: Without dead ends: 206 [2021-02-21 21:17:26,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1866 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=3117, Invalid=7389, Unknown=0, NotChecked=0, Total=10506 [2021-02-21 21:17:26,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-02-21 21:17:27,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 202. [2021-02-21 21:17:27,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2021-02-21 21:17:27,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 207 transitions. [2021-02-21 21:17:27,029 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 207 transitions. Word has length 185 [2021-02-21 21:17:27,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:27,030 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 207 transitions. [2021-02-21 21:17:27,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 53 states. [2021-02-21 21:17:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 207 transitions. [2021-02-21 21:17:27,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-02-21 21:17:27,031 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:27,031 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 21:17:27,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-02-21 21:17:27,032 INFO L428 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:27,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:27,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1765044464, now seen corresponding path program 24 times [2021-02-21 21:17:27,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:27,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1912310491] [2021-02-21 21:17:27,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:27,043 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:27,044 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:27,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:27,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:27,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:27,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:27,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:27,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:27,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:27,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:27,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:27,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:27,249 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:27,249 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:27,259 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,259 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,277 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,278 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,297 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,297 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,319 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,341 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,341 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,364 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,365 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,389 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,390 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,415 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,415 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,440 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,441 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,470 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,471 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,505 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,506 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,542 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,543 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,580 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,580 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,620 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,621 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,662 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,663 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,705 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,705 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,750 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,796 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,796 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,842 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,842 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,889 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,890 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,938 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,939 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:27,990 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:27,990 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,042 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,043 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,095 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,150 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,151 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,206 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,207 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,263 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,264 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,322 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,323 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,382 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,383 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,455 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,455 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,518 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,523 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,578 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,579 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,644 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,645 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,780 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,781 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,851 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,852 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,922 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,923 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:28,995 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:28,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:29,068 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:29,069 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:29,145 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:29,146 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:29,223 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:29,224 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:29,302 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:29,302 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:29,382 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:29,383 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:29,464 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:29,465 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:29,546 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:29,548 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:29,631 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:29,632 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:29,717 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:29,718 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:29,806 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:29,806 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:29,897 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:29,898 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:29,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:29,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:30,164 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 21:17:30,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1912310491] [2021-02-21 21:17:30,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:30,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [] total 55 [2021-02-21 21:17:30,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571759157] [2021-02-21 21:17:30,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-02-21 21:17:30,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:30,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-02-21 21:17:30,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=732, Invalid=2238, Unknown=0, NotChecked=0, Total=2970 [2021-02-21 21:17:30,166 INFO L87 Difference]: Start difference. First operand 202 states and 207 transitions. Second operand 55 states. [2021-02-21 21:17:34,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:34,561 INFO L93 Difference]: Finished difference Result 249 states and 259 transitions. [2021-02-21 21:17:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-02-21 21:17:34,562 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 191 [2021-02-21 21:17:34,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:34,564 INFO L225 Difference]: With dead ends: 249 [2021-02-21 21:17:34,564 INFO L226 Difference]: Without dead ends: 212 [2021-02-21 21:17:34,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2019 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=3371, Invalid=7971, Unknown=0, NotChecked=0, Total=11342 [2021-02-21 21:17:34,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-02-21 21:17:34,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 208. [2021-02-21 21:17:34,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2021-02-21 21:17:34,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 213 transitions. [2021-02-21 21:17:34,598 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 213 transitions. Word has length 191 [2021-02-21 21:17:34,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:34,598 INFO L480 AbstractCegarLoop]: Abstraction has 208 states and 213 transitions. [2021-02-21 21:17:34,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 55 states. [2021-02-21 21:17:34,598 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 213 transitions. [2021-02-21 21:17:34,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-02-21 21:17:34,599 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:34,600 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 21:17:34,600 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-02-21 21:17:34,600 INFO L428 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:34,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:34,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1455532844, now seen corresponding path program 25 times [2021-02-21 21:17:34,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:34,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1299504083] [2021-02-21 21:17:34,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:34,611 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:34,612 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:34,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:34,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:34,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:34,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:34,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:34,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:34,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:34,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:34,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:34,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:34,826 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:34,827 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:34,836 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,837 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,854 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,855 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,874 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,875 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 21:17:34,897 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,918 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,918 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,940 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,941 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:34,989 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:34,990 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,016 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,017 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,050 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,050 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,079 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,110 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,111 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,140 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,169 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,209 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,210 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,260 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,261 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,305 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,348 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,348 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,392 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,393 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,440 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,442 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,490 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,491 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,593 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,594 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,641 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,642 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,744 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,745 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,799 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,852 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,852 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,908 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,909 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:35,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:35,967 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:36,024 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:36,024 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:36,084 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:36,085 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:36,144 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:36,145 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:36,208 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:36,209 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:36,272 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:36,273 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:36,337 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:36,338 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:36,407 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:36,410 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:36,482 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:36,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:36,554 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:36,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:36,625 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:36,625 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:36,700 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:36,701 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:36,779 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:36,780 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:36,860 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:36,860 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:36,940 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:36,941 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:37,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:37,021 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:37,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:37,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:37,178 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:37,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:37,276 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:37,277 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:37,357 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:37,357 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:37,443 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:37,444 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:37,532 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:37,533 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:37,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:37,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:37,794 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 21:17:37,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1299504083] [2021-02-21 21:17:37,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:37,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [57] imperfect sequences [] total 57 [2021-02-21 21:17:37,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365331246] [2021-02-21 21:17:37,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-02-21 21:17:37,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:37,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-02-21 21:17:37,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=787, Invalid=2405, Unknown=0, NotChecked=0, Total=3192 [2021-02-21 21:17:37,795 INFO L87 Difference]: Start difference. First operand 208 states and 213 transitions. Second operand 57 states. [2021-02-21 21:17:42,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:42,395 INFO L93 Difference]: Finished difference Result 255 states and 265 transitions. [2021-02-21 21:17:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-02-21 21:17:42,396 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 197 [2021-02-21 21:17:42,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:42,398 INFO L225 Difference]: With dead ends: 255 [2021-02-21 21:17:42,398 INFO L226 Difference]: Without dead ends: 218 [2021-02-21 21:17:42,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2178 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=3635, Invalid=8575, Unknown=0, NotChecked=0, Total=12210 [2021-02-21 21:17:42,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-02-21 21:17:42,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2021-02-21 21:17:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2021-02-21 21:17:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 219 transitions. [2021-02-21 21:17:42,440 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 219 transitions. Word has length 197 [2021-02-21 21:17:42,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:42,440 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 219 transitions. [2021-02-21 21:17:42,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 57 states. [2021-02-21 21:17:42,441 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 219 transitions. [2021-02-21 21:17:42,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-02-21 21:17:42,442 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:42,442 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 21:17:42,442 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-02-21 21:17:42,442 INFO L428 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:42,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:42,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1109310904, now seen corresponding path program 26 times [2021-02-21 21:17:42,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:42,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [931771898] [2021-02-21 21:17:42,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:42,456 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:42,458 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:42,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:42,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:42,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:42,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:42,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:42,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:42,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:42,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:42,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:42,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:42,699 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:42,700 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:42,709 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,710 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,729 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,730 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,750 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,773 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,774 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,796 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,797 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,821 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,822 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,849 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,850 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,877 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,878 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,908 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,909 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,941 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,942 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:42,974 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:42,975 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,008 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,009 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,042 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,043 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,078 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,079 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,115 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,115 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,151 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,151 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,187 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,188 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,231 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,232 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,279 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,280 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,329 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,330 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,431 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,432 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,485 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,486 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,597 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,598 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,656 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,657 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,715 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,716 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,777 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,778 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,840 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,840 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,903 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,904 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:43,980 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:43,980 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:44,045 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:44,046 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:44,113 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:44,114 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:44,182 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:44,183 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:44,255 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:44,255 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:44,326 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:44,327 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:44,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:44,400 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:44,474 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:44,475 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:44,550 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:44,551 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:44,629 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:44,630 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:44,710 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:44,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:44,792 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:44,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:44,866 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:44,866 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:44,942 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:44,943 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:45,019 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:45,020 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:45,098 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:45,099 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:45,185 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:45,186 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:45,275 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:45,277 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:45,369 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:45,370 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:45,461 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:45,462 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:45,554 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:45,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:45,650 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:45,650 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:45,745 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:45,746 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:45,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:45,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:46,040 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 21:17:46,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [931771898] [2021-02-21 21:17:46,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:46,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [] total 59 [2021-02-21 21:17:46,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679426273] [2021-02-21 21:17:46,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-02-21 21:17:46,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:46,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-02-21 21:17:46,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=844, Invalid=2578, Unknown=0, NotChecked=0, Total=3422 [2021-02-21 21:17:46,042 INFO L87 Difference]: Start difference. First operand 214 states and 219 transitions. Second operand 59 states. [2021-02-21 21:17:51,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:51,577 INFO L93 Difference]: Finished difference Result 261 states and 271 transitions. [2021-02-21 21:17:51,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-02-21 21:17:51,578 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 203 [2021-02-21 21:17:51,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:51,580 INFO L225 Difference]: With dead ends: 261 [2021-02-21 21:17:51,580 INFO L226 Difference]: Without dead ends: 224 [2021-02-21 21:17:51,582 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 21:17:51,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-02-21 21:17:51,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 220. [2021-02-21 21:17:51,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2021-02-21 21:17:51,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 225 transitions. [2021-02-21 21:17:51,622 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 225 transitions. Word has length 203 [2021-02-21 21:17:51,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:51,623 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 225 transitions. [2021-02-21 21:17:51,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 59 states. [2021-02-21 21:17:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 225 transitions. [2021-02-21 21:17:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-02-21 21:17:51,624 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:51,625 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 21:17:51,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-02-21 21:17:51,625 INFO L428 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:51,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:51,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1478355868, now seen corresponding path program 27 times [2021-02-21 21:17:51,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:51,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1063733143] [2021-02-21 21:17:51,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:51,637 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:51,638 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:51,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:51,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:51,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:51,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:51,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:51,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:51,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:51,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:17:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:51,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:51,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:51,867 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:17:51,868 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:17:51,879 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,879 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,901 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,923 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,923 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,946 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,947 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,971 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,971 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:51,995 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:51,996 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,022 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,048 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,049 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,077 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,107 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,140 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,174 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,175 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,210 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,210 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,246 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,247 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,286 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,287 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,325 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,326 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,365 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,410 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 21:17:52,460 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,461 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,514 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,515 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,565 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,619 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,674 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,674 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,730 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,731 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,788 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,789 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,848 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,848 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,918 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,919 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:52,982 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:52,982 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,045 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,046 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,112 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,113 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,179 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,180 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,248 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,316 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,317 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,386 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,387 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,458 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,459 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,532 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,532 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,606 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,607 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,680 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,681 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,752 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,895 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,896 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:53,974 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:53,975 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:54,057 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:54,058 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:54,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:54,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:54,231 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:54,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:54,319 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:54,320 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:54,408 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:54,409 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:54,499 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:54,500 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:54,589 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:54,590 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:54,682 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:54,683 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:54,778 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:54,779 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:54,874 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:54,875 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:54,969 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:54,970 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:55,079 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:55,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:55,178 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:17:55,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:17:55,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:55,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:55,478 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 21:17:55,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1063733143] [2021-02-21 21:17:55,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:55,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [61] imperfect sequences [] total 61 [2021-02-21 21:17:55,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218692118] [2021-02-21 21:17:55,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-02-21 21:17:55,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:55,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-02-21 21:17:55,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=2757, Unknown=0, NotChecked=0, Total=3660 [2021-02-21 21:17:55,481 INFO L87 Difference]: Start difference. First operand 220 states and 225 transitions. Second operand 61 states. [2021-02-21 21:18:00,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:18:00,803 INFO L93 Difference]: Finished difference Result 267 states and 277 transitions. [2021-02-21 21:18:00,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-02-21 21:18:00,804 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 209 [2021-02-21 21:18:00,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:18:00,806 INFO L225 Difference]: With dead ends: 267 [2021-02-21 21:18:00,807 INFO L226 Difference]: Without dead ends: 230 [2021-02-21 21:18:00,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2514 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=4193, Invalid=9849, Unknown=0, NotChecked=0, Total=14042 [2021-02-21 21:18:00,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-02-21 21:18:00,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 226. [2021-02-21 21:18:00,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2021-02-21 21:18:00,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 231 transitions. [2021-02-21 21:18:00,849 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 231 transitions. Word has length 209 [2021-02-21 21:18:00,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:18:00,849 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 231 transitions. [2021-02-21 21:18:00,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 61 states. [2021-02-21 21:18:00,849 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 231 transitions. [2021-02-21 21:18:00,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-02-21 21:18:00,851 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:18:00,851 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 21:18:00,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-02-21 21:18:00,851 INFO L428 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:18:00,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:18:00,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1213472384, now seen corresponding path program 28 times [2021-02-21 21:18:00,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:18:00,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113516089] [2021-02-21 21:18:00,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:18:00,862 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:18:00,865 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:18:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:00,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:00,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:00,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:00,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:00,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:18:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:00,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:00,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:00,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:18:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:01,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:01,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:01,124 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:18:01,124 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:18:01,134 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,134 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,153 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,154 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,176 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,177 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,199 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,200 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,249 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,249 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,272 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,273 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,299 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,300 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,328 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,328 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,357 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,358 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,390 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,391 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,423 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,424 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,457 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,458 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,493 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,494 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,531 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,532 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,570 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,570 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,610 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,610 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,670 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,671 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,710 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,711 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,755 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,756 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,805 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,806 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,858 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,910 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,911 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:01,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:01,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,020 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,021 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,078 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,079 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,136 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,137 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,197 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,198 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,258 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,258 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,322 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,323 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,387 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,387 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,454 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,519 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,520 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,589 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,591 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,659 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,660 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,732 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,803 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,804 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,877 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,878 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:02,951 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:02,952 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:03,034 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:03,035 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:03,109 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:03,110 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:03,190 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:03,191 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:03,272 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:03,273 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:03,354 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:03,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:03,437 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:03,438 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:03,524 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:03,525 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:03,610 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:03,611 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:03,700 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:03,701 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:03,800 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:03,800 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:03,891 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:03,892 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:03,983 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:03,984 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:04,077 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:04,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:04,172 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:04,173 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:04,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:04,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:04,369 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:04,370 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:04,468 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:04,469 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:04,571 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:04,572 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:04,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:04,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:18:04,893 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 21:18:04,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113516089] [2021-02-21 21:18:04,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:18:04,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2021-02-21 21:18:04,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368990408] [2021-02-21 21:18:04,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-02-21 21:18:04,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:18:04,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-02-21 21:18:04,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=964, Invalid=2942, Unknown=0, NotChecked=0, Total=3906 [2021-02-21 21:18:04,895 INFO L87 Difference]: Start difference. First operand 226 states and 231 transitions. Second operand 63 states. [2021-02-21 21:18:10,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:18:10,734 INFO L93 Difference]: Finished difference Result 273 states and 283 transitions. [2021-02-21 21:18:10,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-02-21 21:18:10,735 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 215 [2021-02-21 21:18:10,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:18:10,738 INFO L225 Difference]: With dead ends: 273 [2021-02-21 21:18:10,738 INFO L226 Difference]: Without dead ends: 236 [2021-02-21 21:18:10,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2691 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=4487, Invalid=10519, Unknown=0, NotChecked=0, Total=15006 [2021-02-21 21:18:10,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-02-21 21:18:10,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 232. [2021-02-21 21:18:10,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2021-02-21 21:18:10,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 237 transitions. [2021-02-21 21:18:10,794 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 237 transitions. Word has length 215 [2021-02-21 21:18:10,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:18:10,795 INFO L480 AbstractCegarLoop]: Abstraction has 232 states and 237 transitions. [2021-02-21 21:18:10,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 63 states. [2021-02-21 21:18:10,795 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 237 transitions. [2021-02-21 21:18:10,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-02-21 21:18:10,796 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:18:10,796 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 21:18:10,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-02-21 21:18:10,797 INFO L428 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:18:10,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:18:10,797 INFO L82 PathProgramCache]: Analyzing trace with hash 861301148, now seen corresponding path program 29 times [2021-02-21 21:18:10,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:18:10,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859508174] [2021-02-21 21:18:10,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:18:10,809 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:18:10,811 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:18:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:10,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:10,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:10,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:10,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:10,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:18:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:10,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:10,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:10,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:18:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:11,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:11,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:11,069 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:18:11,069 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:18:11,080 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,081 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,102 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,103 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,125 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,126 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,148 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,149 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,173 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,174 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,198 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,199 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,226 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,260 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,261 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,296 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,299 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,336 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,337 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,376 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,381 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,418 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,419 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,460 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,461 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,504 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,505 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,549 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,550 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,595 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,596 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,643 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,644 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,692 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,693 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,795 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,796 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,850 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,851 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,906 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,907 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:11,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:11,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,080 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,081 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,141 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,142 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,204 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,205 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,269 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,270 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,335 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,335 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,402 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,403 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,469 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,470 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,537 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,538 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,607 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,608 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,766 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,841 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,842 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,913 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,913 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:12,983 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:12,984 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,055 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,056 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,130 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,131 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,194 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,195 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,276 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,277 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,360 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,361 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,449 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,450 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,539 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,630 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,631 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,723 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,817 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,818 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:13,915 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:13,916 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:14,012 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:14,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:14,110 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:14,111 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:14,210 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:14,211 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:14,313 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:14,313 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:14,417 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:14,418 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:14,526 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:14,526 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:14,634 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:14,635 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:14,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:14,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:14,854 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:14,854 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:14,974 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:14,975 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:15,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:15,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:18:15,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:18:15,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859508174] [2021-02-21 21:18:15,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:18:15,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [65] imperfect sequences [] total 65 [2021-02-21 21:18:15,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757091007] [2021-02-21 21:18:15,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-02-21 21:18:15,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:18:15,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-02-21 21:18:15,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1027, Invalid=3133, Unknown=0, NotChecked=0, Total=4160 [2021-02-21 21:18:15,418 INFO L87 Difference]: Start difference. First operand 232 states and 237 transitions. Second operand 65 states. [2021-02-21 21:18:21,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:18:21,559 INFO L93 Difference]: Finished difference Result 279 states and 289 transitions. [2021-02-21 21:18:21,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-02-21 21:18:21,560 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 221 [2021-02-21 21:18:21,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:18:21,563 INFO L225 Difference]: With dead ends: 279 [2021-02-21 21:18:21,563 INFO L226 Difference]: Without dead ends: 242 [2021-02-21 21:18:21,564 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 21:18:21,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-02-21 21:18:21,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 238. [2021-02-21 21:18:21,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2021-02-21 21:18:21,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 243 transitions. [2021-02-21 21:18:21,601 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 243 transitions. Word has length 221 [2021-02-21 21:18:21,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:18:21,602 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 243 transitions. [2021-02-21 21:18:21,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 65 states. [2021-02-21 21:18:21,602 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 243 transitions. [2021-02-21 21:18:21,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-02-21 21:18:21,603 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:18:21,603 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 21:18:21,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-02-21 21:18:21,604 INFO L428 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:18:21,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:18:21,604 INFO L82 PathProgramCache]: Analyzing trace with hash -534156104, now seen corresponding path program 30 times [2021-02-21 21:18:21,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:18:21,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1127033545] [2021-02-21 21:18:21,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:18:21,615 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:18:21,616 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:18:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:21,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:21,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:21,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:21,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:21,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:18:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:21,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:21,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:21,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:18:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:21,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:21,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:21,910 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:18:21,911 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:18:21,922 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,923 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,945 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,945 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,969 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,970 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:21,995 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:21,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,019 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,020 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,052 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,053 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,086 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,087 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,122 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,158 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,159 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,197 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,198 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,236 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,237 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,278 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,279 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,320 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,321 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,366 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,367 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,408 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,408 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,455 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,456 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,501 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,502 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,553 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,604 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,605 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,657 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,657 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,766 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,886 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,886 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:22,945 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:22,946 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,007 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,008 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,069 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,070 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,135 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,136 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,202 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,203 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,337 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,337 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,405 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,406 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,475 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,476 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,548 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,549 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,622 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,623 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,699 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,700 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,777 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,778 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,858 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:23,938 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:23,939 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,033 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,034 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,115 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,116 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,200 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,200 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,286 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,287 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,375 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,464 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,464 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,556 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,556 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,648 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,649 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,739 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,740 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,833 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,833 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:24,925 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:24,926 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:25,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:25,022 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:25,111 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:25,112 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:25,205 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:25,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:25,308 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:25,309 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:25,403 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:25,403 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:25,498 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:25,499 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:25,602 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:25,603 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:25,712 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:25,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:25,822 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:25,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:25,934 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:25,938 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:26,056 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:26,057 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:26,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:26,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:18:26,430 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 21:18:26,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1127033545] [2021-02-21 21:18:26,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:18:26,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2021-02-21 21:18:26,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738204099] [2021-02-21 21:18:26,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-02-21 21:18:26,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:18:26,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-02-21 21:18:26,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1092, Invalid=3330, Unknown=0, NotChecked=0, Total=4422 [2021-02-21 21:18:26,432 INFO L87 Difference]: Start difference. First operand 238 states and 243 transitions. Second operand 67 states. [2021-02-21 21:18:33,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:18:33,211 INFO L93 Difference]: Finished difference Result 285 states and 295 transitions. [2021-02-21 21:18:33,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-02-21 21:18:33,213 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 227 [2021-02-21 21:18:33,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:18:33,215 INFO L225 Difference]: With dead ends: 285 [2021-02-21 21:18:33,215 INFO L226 Difference]: Without dead ends: 248 [2021-02-21 21:18:33,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3063 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=5105, Invalid=11925, Unknown=0, NotChecked=0, Total=17030 [2021-02-21 21:18:33,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-02-21 21:18:33,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 244. [2021-02-21 21:18:33,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2021-02-21 21:18:33,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 249 transitions. [2021-02-21 21:18:33,269 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 249 transitions. Word has length 227 [2021-02-21 21:18:33,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:18:33,270 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 249 transitions. [2021-02-21 21:18:33,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 67 states. [2021-02-21 21:18:33,270 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 249 transitions. [2021-02-21 21:18:33,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-02-21 21:18:33,271 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:18:33,271 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 21:18:33,272 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-02-21 21:18:33,272 INFO L428 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:18:33,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:18:33,272 INFO L82 PathProgramCache]: Analyzing trace with hash -560157996, now seen corresponding path program 31 times [2021-02-21 21:18:33,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:18:33,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433578848] [2021-02-21 21:18:33,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:18:33,285 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:18:33,286 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:18:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:33,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:33,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:33,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:33,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:33,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:18:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:33,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:33,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:33,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:18:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:33,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:33,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:33,561 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:18:33,562 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:18:33,573 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,574 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,595 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,596 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,620 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,621 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,647 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,648 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 21:18:33,680 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,712 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,746 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,747 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,782 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,783 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,819 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,820 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,859 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,860 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,902 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,941 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,943 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:33,983 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:33,984 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,030 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,031 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,075 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,076 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,124 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,173 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,174 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,224 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,278 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,279 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,333 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,334 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,391 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,391 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,450 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,456 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,511 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,512 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,575 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,575 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,639 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,705 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,706 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,772 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,773 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,839 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 21:18:34,908 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,909 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:34,978 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:34,979 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,048 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,050 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,122 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,198 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,199 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,275 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,275 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,353 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,354 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,527 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,528 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,609 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,610 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,694 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,695 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,784 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,784 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,871 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,872 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:35,962 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:35,962 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,049 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,050 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,141 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,237 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,238 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,333 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,334 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,429 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,430 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,528 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,529 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,625 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,626 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,724 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,728 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,823 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,824 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:36,930 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:36,931 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:37,036 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:37,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:37,145 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:37,146 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:37,251 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:37,252 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:37,359 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:37,360 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:37,471 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:37,472 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:37,583 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:37,584 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:37,702 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:37,702 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:37,831 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:37,832 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:37,950 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:37,951 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:38,072 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:38,073 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:38,194 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:38,195 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:38,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:38,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:18:38,572 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 21:18:38,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433578848] [2021-02-21 21:18:38,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:18:38,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [69] imperfect sequences [] total 69 [2021-02-21 21:18:38,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269786568] [2021-02-21 21:18:38,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-02-21 21:18:38,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:18:38,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-02-21 21:18:38,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1159, Invalid=3533, Unknown=0, NotChecked=0, Total=4692 [2021-02-21 21:18:38,574 INFO L87 Difference]: Start difference. First operand 244 states and 249 transitions. Second operand 69 states. [2021-02-21 21:18:45,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:18:45,715 INFO L93 Difference]: Finished difference Result 291 states and 301 transitions. [2021-02-21 21:18:45,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-02-21 21:18:45,716 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 233 [2021-02-21 21:18:45,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:18:45,719 INFO L225 Difference]: With dead ends: 291 [2021-02-21 21:18:45,719 INFO L226 Difference]: Without dead ends: 254 [2021-02-21 21:18:45,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3258 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=5429, Invalid=12661, Unknown=0, NotChecked=0, Total=18090 [2021-02-21 21:18:45,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-02-21 21:18:45,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 250. [2021-02-21 21:18:45,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-02-21 21:18:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 255 transitions. [2021-02-21 21:18:45,773 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 255 transitions. Word has length 233 [2021-02-21 21:18:45,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:18:45,773 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 255 transitions. [2021-02-21 21:18:45,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 69 states. [2021-02-21 21:18:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 255 transitions. [2021-02-21 21:18:45,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-21 21:18:45,775 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:18:45,775 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 21:18:45,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-02-21 21:18:45,776 INFO L428 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:18:45,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:18:45,776 INFO L82 PathProgramCache]: Analyzing trace with hash -2041060368, now seen corresponding path program 32 times [2021-02-21 21:18:45,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:18:45,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1066413182] [2021-02-21 21:18:45,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:18:45,788 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:18:45,789 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:18:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:45,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:45,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:45,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:45,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:45,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:18:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:45,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:45,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:45,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:18:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:46,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:46,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:46,052 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:18:46,053 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:18:46,063 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,064 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,083 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,084 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,106 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,107 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,130 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,131 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,156 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,184 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,185 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,212 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,244 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,245 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,275 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,276 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,314 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,315 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,353 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,354 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,388 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,388 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,423 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,424 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,459 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,460 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,499 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,499 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,543 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,544 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,601 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,601 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,649 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,650 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,699 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,700 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,749 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,802 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,802 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,853 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,854 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,907 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,908 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:46,961 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:46,962 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,017 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,018 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,075 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,076 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,134 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,135 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,196 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,197 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,258 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,259 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,321 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,322 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,385 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,386 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,450 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,451 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,518 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,519 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,587 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,588 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,657 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,657 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,730 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,731 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,802 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,803 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,877 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,878 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:47,954 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:47,955 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,032 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,033 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,111 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,112 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,192 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,193 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,276 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,277 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,359 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,360 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,444 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,444 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,530 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,531 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,617 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,618 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,706 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,707 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,808 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,809 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,899 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,900 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:48,991 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:48,992 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,084 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,085 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,178 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,275 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,275 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,373 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,374 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,473 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,474 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,575 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,576 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,679 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,783 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,784 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,890 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:49,997 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:49,998 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:50,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:50,106 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:50,215 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:50,216 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:50,327 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:50,328 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:50,439 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:50,440 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:50,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:50,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:18:50,812 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 21:18:50,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1066413182] [2021-02-21 21:18:50,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:18:50,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [] total 71 [2021-02-21 21:18:50,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262933582] [2021-02-21 21:18:50,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-02-21 21:18:50,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:18:50,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-02-21 21:18:50,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1228, Invalid=3742, Unknown=0, NotChecked=0, Total=4970 [2021-02-21 21:18:50,814 INFO L87 Difference]: Start difference. First operand 250 states and 255 transitions. Second operand 71 states. [2021-02-21 21:18:57,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:18:57,888 INFO L93 Difference]: Finished difference Result 297 states and 307 transitions. [2021-02-21 21:18:57,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-02-21 21:18:57,889 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 239 [2021-02-21 21:18:57,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:18:57,891 INFO L225 Difference]: With dead ends: 297 [2021-02-21 21:18:57,891 INFO L226 Difference]: Without dead ends: 260 [2021-02-21 21:18:57,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3459 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=5763, Invalid=13419, Unknown=0, NotChecked=0, Total=19182 [2021-02-21 21:18:57,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-02-21 21:18:57,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 256. [2021-02-21 21:18:57,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2021-02-21 21:18:57,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 261 transitions. [2021-02-21 21:18:57,944 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 261 transitions. Word has length 239 [2021-02-21 21:18:57,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:18:57,945 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 261 transitions. [2021-02-21 21:18:57,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 71 states. [2021-02-21 21:18:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 261 transitions. [2021-02-21 21:18:57,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-02-21 21:18:57,946 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:18:57,947 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 21:18:57,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-02-21 21:18:57,947 INFO L428 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:18:57,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:18:57,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1110628364, now seen corresponding path program 33 times [2021-02-21 21:18:57,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:18:57,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271212462] [2021-02-21 21:18:57,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:18:57,960 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:18:57,962 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:18:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:58,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:58,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:58,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:58,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:58,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:18:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:58,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:58,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:58,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:18:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:18:58,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:18:58,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:18:58,211 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:18:58,211 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:18:58,222 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,244 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,245 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,269 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,270 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,323 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,324 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,353 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,354 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,383 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,384 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,412 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,444 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,445 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,477 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,512 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,513 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,549 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,550 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,585 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,586 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,621 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,622 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,662 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,663 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,706 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,707 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,747 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,747 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,787 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,788 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,835 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,836 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,885 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,886 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,937 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,938 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:58,990 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:58,991 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 21:18:59,112 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,113 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,169 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,228 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,228 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,288 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,289 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,348 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,412 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,413 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,476 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,477 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,542 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,610 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,611 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,678 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,749 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,822 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,894 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,895 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:18:59,969 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:18:59,969 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,046 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,046 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,122 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,201 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,204 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,283 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,284 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,368 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,369 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,447 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,448 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,526 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,526 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,602 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,602 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,686 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,776 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,777 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,867 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,867 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:00,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:00,958 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,051 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,052 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,351 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,352 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,451 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,452 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,551 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,552 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,651 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,652 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,755 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,756 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,862 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:01,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:01,967 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,074 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,076 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,184 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,185 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,407 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,408 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,527 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,528 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,652 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,653 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,781 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,781 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:02,908 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:02,910 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:03,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:03,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:19:03,314 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 21:19:03,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271212462] [2021-02-21 21:19:03,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:19:03,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [73] imperfect sequences [] total 73 [2021-02-21 21:19:03,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304109992] [2021-02-21 21:19:03,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-02-21 21:19:03,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:19:03,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-02-21 21:19:03,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1299, Invalid=3957, Unknown=0, NotChecked=0, Total=5256 [2021-02-21 21:19:03,316 INFO L87 Difference]: Start difference. First operand 256 states and 261 transitions. Second operand 73 states. [2021-02-21 21:19:10,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:19:10,758 INFO L93 Difference]: Finished difference Result 303 states and 313 transitions. [2021-02-21 21:19:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-02-21 21:19:10,759 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 245 [2021-02-21 21:19:10,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:19:10,761 INFO L225 Difference]: With dead ends: 303 [2021-02-21 21:19:10,761 INFO L226 Difference]: Without dead ends: 266 [2021-02-21 21:19:10,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3666 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=6107, Invalid=14199, Unknown=0, NotChecked=0, Total=20306 [2021-02-21 21:19:10,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-02-21 21:19:10,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 262. [2021-02-21 21:19:10,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2021-02-21 21:19:10,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 267 transitions. [2021-02-21 21:19:10,817 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 267 transitions. Word has length 245 [2021-02-21 21:19:10,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:19:10,817 INFO L480 AbstractCegarLoop]: Abstraction has 262 states and 267 transitions. [2021-02-21 21:19:10,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 73 states. [2021-02-21 21:19:10,817 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 267 transitions. [2021-02-21 21:19:10,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-02-21 21:19:10,819 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:19:10,819 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 21:19:10,819 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-02-21 21:19:10,819 INFO L428 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:19:10,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:19:10,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1815430952, now seen corresponding path program 34 times [2021-02-21 21:19:10,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:19:10,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [415147069] [2021-02-21 21:19:10,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:19:10,831 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:19:10,833 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:19:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:10,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:10,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:10,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:10,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:10,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:19:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:10,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:10,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:10,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:19:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:11,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:11,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:11,086 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:19:11,087 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:19:11,097 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,098 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,119 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,119 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,168 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,168 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,196 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,197 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,227 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,265 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,266 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,349 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,350 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,397 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,398 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,443 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,444 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,494 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,495 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,534 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,535 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,577 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,577 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,636 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,637 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,679 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,680 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,766 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,814 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,815 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,864 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,865 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,918 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,919 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:11,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:11,973 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,027 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,028 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,086 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,086 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,204 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,264 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,265 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,330 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,332 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,398 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,399 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,463 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,463 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,532 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,533 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,600 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,601 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,672 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,673 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:12,818 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,818 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 21:19:12,967 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:12,968 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,043 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,044 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,124 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,125 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,203 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,285 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,286 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,367 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,368 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,537 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,538 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,627 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,627 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,716 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,717 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,807 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,808 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:13,912 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:13,913 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,004 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,100 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,100 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,196 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,197 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,394 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,395 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,496 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,496 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,596 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,597 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,702 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,703 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,807 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,808 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:14,913 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:14,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,133 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,134 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,241 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,242 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,354 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,468 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,469 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,581 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,582 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,699 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,700 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,817 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,818 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:15,938 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:15,938 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:16,057 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:16,058 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:16,194 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:16,195 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:16,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:16,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:19:16,610 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 21:19:16,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [415147069] [2021-02-21 21:19:16,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:19:16,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [] total 75 [2021-02-21 21:19:16,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665426569] [2021-02-21 21:19:16,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-02-21 21:19:16,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:19:16,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-02-21 21:19:16,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1372, Invalid=4178, Unknown=0, NotChecked=0, Total=5550 [2021-02-21 21:19:16,613 INFO L87 Difference]: Start difference. First operand 262 states and 267 transitions. Second operand 75 states. [2021-02-21 21:19:25,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:19:25,069 INFO L93 Difference]: Finished difference Result 309 states and 319 transitions. [2021-02-21 21:19:25,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-02-21 21:19:25,070 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 251 [2021-02-21 21:19:25,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:19:25,072 INFO L225 Difference]: With dead ends: 309 [2021-02-21 21:19:25,072 INFO L226 Difference]: Without dead ends: 272 [2021-02-21 21:19:25,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3879 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=6461, Invalid=15001, Unknown=0, NotChecked=0, Total=21462 [2021-02-21 21:19:25,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-02-21 21:19:25,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 268. [2021-02-21 21:19:25,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2021-02-21 21:19:25,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 273 transitions. [2021-02-21 21:19:25,128 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 273 transitions. Word has length 251 [2021-02-21 21:19:25,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:19:25,129 INFO L480 AbstractCegarLoop]: Abstraction has 268 states and 273 transitions. [2021-02-21 21:19:25,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 75 states. [2021-02-21 21:19:25,129 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 273 transitions. [2021-02-21 21:19:25,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-02-21 21:19:25,130 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:19:25,130 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 21:19:25,131 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-02-21 21:19:25,131 INFO L428 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:19:25,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:19:25,131 INFO L82 PathProgramCache]: Analyzing trace with hash 697758020, now seen corresponding path program 35 times [2021-02-21 21:19:25,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:19:25,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311046482] [2021-02-21 21:19:25,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:19:25,143 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:19:25,144 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:19:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:25,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:25,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:25,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:25,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:25,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:19:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:25,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:25,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:25,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:19:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:25,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:25,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:25,403 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:19:25,403 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:19:25,415 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,416 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,440 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,441 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,465 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,466 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,493 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,494 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,525 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,526 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,559 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,560 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,593 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,594 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,624 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,625 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,660 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,661 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,698 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,698 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,732 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,733 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,769 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,770 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,808 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,809 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,849 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,850 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,890 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,934 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,935 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:25,982 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:25,982 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,027 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,028 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,077 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,138 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,139 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,187 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,188 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,237 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,238 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,296 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,297 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,355 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,356 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,415 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,416 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,480 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,481 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,555 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,556 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,619 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,620 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,688 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,755 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,756 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,825 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,826 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,897 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,898 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:26,968 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:26,969 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:27,045 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:27,045 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:27,119 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:27,120 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:27,195 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:27,196 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:27,274 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:27,274 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:27,353 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:27,354 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:27,437 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:27,437 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:27,518 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:27,519 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:27,605 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:27,606 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:27,692 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:27,693 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:27,781 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:27,782 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:27,870 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:27,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:27,960 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:27,961 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,052 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,055 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,147 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,148 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,242 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,243 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,338 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,339 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,436 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,437 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,537 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,538 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,638 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,639 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,745 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,858 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,859 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:28,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:28,967 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,071 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,072 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,180 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,181 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,291 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,293 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,398 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,399 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,513 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,514 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,625 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,626 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,744 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,745 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,862 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:29,982 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:29,983 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,106 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,226 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,352 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,353 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,605 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,606 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,735 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,735 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,865 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:30,866 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:30,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:30,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:19:31,313 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 21:19:31,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311046482] [2021-02-21 21:19:31,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:19:31,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [77] imperfect sequences [] total 77 [2021-02-21 21:19:31,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515705812] [2021-02-21 21:19:31,314 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-02-21 21:19:31,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:19:31,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-02-21 21:19:31,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1447, Invalid=4405, Unknown=0, NotChecked=0, Total=5852 [2021-02-21 21:19:31,316 INFO L87 Difference]: Start difference. First operand 268 states and 273 transitions. Second operand 77 states. [2021-02-21 21:19:39,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:19:39,963 INFO L93 Difference]: Finished difference Result 315 states and 325 transitions. [2021-02-21 21:19:39,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-02-21 21:19:39,964 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 257 [2021-02-21 21:19:39,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:19:39,966 INFO L225 Difference]: With dead ends: 315 [2021-02-21 21:19:39,966 INFO L226 Difference]: Without dead ends: 278 [2021-02-21 21:19:39,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4098 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=6825, Invalid=15825, Unknown=0, NotChecked=0, Total=22650 [2021-02-21 21:19:39,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-02-21 21:19:40,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 274. [2021-02-21 21:19:40,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2021-02-21 21:19:40,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 279 transitions. [2021-02-21 21:19:40,037 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 279 transitions. Word has length 257 [2021-02-21 21:19:40,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:19:40,037 INFO L480 AbstractCegarLoop]: Abstraction has 274 states and 279 transitions. [2021-02-21 21:19:40,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 77 states. [2021-02-21 21:19:40,037 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 279 transitions. [2021-02-21 21:19:40,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-02-21 21:19:40,039 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:19:40,039 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 21:19:40,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-02-21 21:19:40,039 INFO L428 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:19:40,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:19:40,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1186960992, now seen corresponding path program 36 times [2021-02-21 21:19:40,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:19:40,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1432479430] [2021-02-21 21:19:40,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:19:40,052 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:19:40,053 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:19:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:40,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:40,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:40,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:40,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:40,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:19:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:40,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:40,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:40,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:19:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:40,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:40,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:40,330 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:19:40,330 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:19:40,342 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,343 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,367 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,368 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,396 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,397 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,425 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,426 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,460 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,461 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,497 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,498 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,534 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,535 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,571 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,572 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,611 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,612 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,653 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,690 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,691 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,731 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,732 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,775 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,776 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,820 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,821 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,866 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,867 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,912 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,913 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:40,962 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:40,963 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,012 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,060 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,061 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,115 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,116 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,172 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,173 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,229 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,230 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,286 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,287 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,349 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,350 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,412 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,412 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,475 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,476 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,539 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,540 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,610 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,610 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,691 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,767 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,768 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,836 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,836 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,904 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,905 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:41,977 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:41,977 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:42,055 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:42,056 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:42,132 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:42,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:42,209 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:42,210 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:42,293 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:42,294 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:42,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:42,375 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:42,457 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:42,458 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:42,544 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:42,545 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:42,629 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:42,630 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:42,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:42,721 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:42,808 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:42,809 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:42,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:42,901 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:42,993 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:42,994 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:43,088 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:43,089 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:43,187 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:43,188 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:43,283 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:43,284 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:43,385 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:43,386 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:43,485 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:43,485 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:43,589 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:43,590 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:43,693 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:43,694 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:43,799 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:43,800 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:43,907 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:43,908 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:44,027 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:44,028 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:44,137 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:44,138 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:44,248 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:44,249 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:44,362 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:44,363 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:44,476 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:44,477 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:44,593 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:44,594 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:44,712 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:44,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:44,830 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:44,831 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:44,952 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:44,953 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,074 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,075 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,201 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,202 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,324 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,325 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,454 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,581 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,582 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,714 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,715 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,845 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,846 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:45,980 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:45,981 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,117 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:46,118 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,251 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:46,252 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:46,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:46,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:19:46,723 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 21:19:46,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1432479430] [2021-02-21 21:19:46,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:19:46,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [79] imperfect sequences [] total 79 [2021-02-21 21:19:46,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986632751] [2021-02-21 21:19:46,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-02-21 21:19:46,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:19:46,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-02-21 21:19:46,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1524, Invalid=4638, Unknown=0, NotChecked=0, Total=6162 [2021-02-21 21:19:46,725 INFO L87 Difference]: Start difference. First operand 274 states and 279 transitions. Second operand 79 states. [2021-02-21 21:19:55,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:19:55,985 INFO L93 Difference]: Finished difference Result 321 states and 331 transitions. [2021-02-21 21:19:55,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-02-21 21:19:55,986 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 263 [2021-02-21 21:19:55,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:19:55,988 INFO L225 Difference]: With dead ends: 321 [2021-02-21 21:19:55,988 INFO L226 Difference]: Without dead ends: 284 [2021-02-21 21:19:55,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4323 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=7199, Invalid=16671, Unknown=0, NotChecked=0, Total=23870 [2021-02-21 21:19:55,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-02-21 21:19:56,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 280. [2021-02-21 21:19:56,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2021-02-21 21:19:56,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 285 transitions. [2021-02-21 21:19:56,051 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 285 transitions. Word has length 263 [2021-02-21 21:19:56,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:19:56,052 INFO L480 AbstractCegarLoop]: Abstraction has 280 states and 285 transitions. [2021-02-21 21:19:56,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 79 states. [2021-02-21 21:19:56,052 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 285 transitions. [2021-02-21 21:19:56,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-02-21 21:19:56,053 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:19:56,054 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 21:19:56,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-02-21 21:19:56,054 INFO L428 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:19:56,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:19:56,054 INFO L82 PathProgramCache]: Analyzing trace with hash 323417724, now seen corresponding path program 37 times [2021-02-21 21:19:56,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:19:56,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [940240271] [2021-02-21 21:19:56,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:19:56,066 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:19:56,067 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:19:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:56,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:56,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:56,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:56,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:56,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:19:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:56,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:56,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:56,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:19:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:19:56,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:19:56,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:19:56,334 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:19:56,335 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:19:56,346 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,347 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,370 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,371 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,397 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,398 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,430 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,431 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,462 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,463 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,496 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,497 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,530 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,531 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,567 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,568 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,604 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,605 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,645 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,646 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,689 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,690 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,777 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,778 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,822 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,871 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,872 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,937 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,938 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:56,988 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:56,989 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:57,039 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:57,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:57,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:57,094 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:57,151 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:57,152 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:57,209 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:57,210 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:57,267 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:57,268 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:57,327 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:57,328 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:57,390 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:57,391 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:57,458 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:57,459 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:57,522 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:57,523 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:57,599 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:57,600 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:57,670 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:57,670 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:57,740 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:57,741 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:57,811 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:57,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:57,883 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:57,884 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:57,961 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:57,962 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:58,037 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:58,038 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:58,113 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:58,114 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:58,195 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:58,196 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:58,276 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:58,277 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:58,356 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:58,357 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:58,444 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:58,445 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:58,531 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:58,532 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:58,617 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:58,618 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:58,708 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:58,709 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:58,799 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:58,800 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:58,889 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:58,890 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:58,987 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:58,988 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:59,082 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:59,083 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:59,178 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:59,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:59,280 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:59,281 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:59,392 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:59,393 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:59,495 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:59,496 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:59,599 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:59,600 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:59,703 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:59,704 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:59,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:59,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:19:59,917 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:19:59,918 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:00,030 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:00,030 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:00,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:00,140 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:00,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:00,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:00,367 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:00,368 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:00,483 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:00,484 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:00,603 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:00,603 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:00,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:00,721 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:00,844 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:00,845 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:00,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:00,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:01,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:01,094 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:01,218 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:01,218 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:01,349 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:01,350 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:01,476 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:01,477 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:01,611 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:01,611 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:01,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:01,742 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:01,891 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:01,892 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,025 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,026 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,165 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,304 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,305 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,447 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,589 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,590 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,735 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:02,736 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:02,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:02,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:20:03,221 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 21:20:03,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [940240271] [2021-02-21 21:20:03,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:20:03,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [81] imperfect sequences [] total 81 [2021-02-21 21:20:03,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403985409] [2021-02-21 21:20:03,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-02-21 21:20:03,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:20:03,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-02-21 21:20:03,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1603, Invalid=4877, Unknown=0, NotChecked=0, Total=6480 [2021-02-21 21:20:03,223 INFO L87 Difference]: Start difference. First operand 280 states and 285 transitions. Second operand 81 states. [2021-02-21 21:20:13,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:20:13,203 INFO L93 Difference]: Finished difference Result 327 states and 337 transitions. [2021-02-21 21:20:13,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-02-21 21:20:13,205 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 269 [2021-02-21 21:20:13,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:20:13,206 INFO L225 Difference]: With dead ends: 327 [2021-02-21 21:20:13,207 INFO L226 Difference]: Without dead ends: 290 [2021-02-21 21:20:13,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4554 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=7583, Invalid=17539, Unknown=0, NotChecked=0, Total=25122 [2021-02-21 21:20:13,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-02-21 21:20:13,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 286. [2021-02-21 21:20:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2021-02-21 21:20:13,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 291 transitions. [2021-02-21 21:20:13,291 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 291 transitions. Word has length 269 [2021-02-21 21:20:13,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:20:13,292 INFO L480 AbstractCegarLoop]: Abstraction has 286 states and 291 transitions. [2021-02-21 21:20:13,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 81 states. [2021-02-21 21:20:13,292 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 291 transitions. [2021-02-21 21:20:13,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-02-21 21:20:13,293 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:20:13,294 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 21:20:13,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-02-21 21:20:13,294 INFO L428 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:20:13,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:20:13,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1039454616, now seen corresponding path program 38 times [2021-02-21 21:20:13,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:20:13,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1189954265] [2021-02-21 21:20:13,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:20:13,307 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:20:13,308 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:20:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:13,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:13,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:13,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:13,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:13,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:20:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:13,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:13,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:13,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:20:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:13,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:13,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:13,584 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:20:13,585 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:20:13,597 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:13,597 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:13,623 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:13,624 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:13,652 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:13,653 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:13,682 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:13,682 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:13,715 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:13,716 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:13,749 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:13,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:13,785 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:13,786 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:13,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:13,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:13,864 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:13,865 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:13,907 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:13,908 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:13,951 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:13,952 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:13,995 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:13,996 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,041 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,089 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,137 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,138 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,191 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,192 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,244 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,245 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,297 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,353 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,354 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,409 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,410 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,470 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,471 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,532 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,533 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,594 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,594 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,657 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,658 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,724 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,725 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,795 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,795 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,862 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,863 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:14,931 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:14,931 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:15,019 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:15,020 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:15,094 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:15,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:15,167 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:15,168 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:15,244 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:15,245 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:15,324 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:15,325 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:15,405 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:15,406 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:15,484 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:15,484 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:15,566 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:15,567 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:15,654 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:15,655 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:15,739 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:15,740 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:15,826 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:15,827 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:15,919 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:15,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:16,010 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:16,011 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:16,101 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:16,102 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:16,200 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:16,201 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:16,297 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:16,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:16,393 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:16,394 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:16,498 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:16,499 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:16,598 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:16,599 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:16,701 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:16,701 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:16,809 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:16,810 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:16,914 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:16,915 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:17,023 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:17,024 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:17,136 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:17,137 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:17,245 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:17,246 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:17,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:17,361 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:17,485 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:17,486 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:17,602 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:17,603 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:17,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:17,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:17,839 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:17,840 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:17,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:17,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:18,085 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:18,086 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:18,211 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:18,212 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:18,337 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:18,338 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:18,463 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:18,464 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:18,595 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:18,596 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:18,723 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:18,724 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:18,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:18,862 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:18,994 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:18,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:19,134 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:19,135 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:19,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:19,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:19,416 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:19,417 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:19,554 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:19,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:19,700 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:19,701 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:19,843 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:19,844 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:20,006 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:20,007 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:20,152 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:20,153 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:20,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:20,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:20,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:20,454 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:20,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:20,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:20:20,961 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 21:20:20,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1189954265] [2021-02-21 21:20:20,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:20:20,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [83] imperfect sequences [] total 83 [2021-02-21 21:20:20,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243813455] [2021-02-21 21:20:20,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-02-21 21:20:20,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:20:20,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-02-21 21:20:20,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1684, Invalid=5122, Unknown=0, NotChecked=0, Total=6806 [2021-02-21 21:20:20,963 INFO L87 Difference]: Start difference. First operand 286 states and 291 transitions. Second operand 83 states. [2021-02-21 21:20:31,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:20:31,533 INFO L93 Difference]: Finished difference Result 333 states and 343 transitions. [2021-02-21 21:20:31,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-02-21 21:20:31,535 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 275 [2021-02-21 21:20:31,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:20:31,538 INFO L225 Difference]: With dead ends: 333 [2021-02-21 21:20:31,538 INFO L226 Difference]: Without dead ends: 296 [2021-02-21 21:20:31,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4791 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=7977, Invalid=18429, Unknown=0, NotChecked=0, Total=26406 [2021-02-21 21:20:31,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-02-21 21:20:31,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 292. [2021-02-21 21:20:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2021-02-21 21:20:31,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 297 transitions. [2021-02-21 21:20:31,620 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 297 transitions. Word has length 275 [2021-02-21 21:20:31,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:20:31,620 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 297 transitions. [2021-02-21 21:20:31,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 83 states. [2021-02-21 21:20:31,620 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 297 transitions. [2021-02-21 21:20:31,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-02-21 21:20:31,622 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:20:31,622 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 21:20:31,622 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-02-21 21:20:31,622 INFO L428 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:20:31,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:20:31,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1329535052, now seen corresponding path program 39 times [2021-02-21 21:20:31,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:20:31,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043735690] [2021-02-21 21:20:31,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:20:31,635 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:20:31,637 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:20:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:31,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:31,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:31,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:31,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:31,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:20:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:31,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:31,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:31,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:20:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:31,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:31,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:31,907 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:20:31,908 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:20:31,919 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:31,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:31,946 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:31,947 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:31,974 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:31,975 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,006 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,007 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,040 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,076 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,076 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,114 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,115 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,155 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,156 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,198 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,198 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,239 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,240 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,282 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,283 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,328 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,328 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,375 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,425 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,426 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,479 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,480 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,532 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,533 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,586 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,586 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,641 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,641 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,697 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,700 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,766 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,829 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,830 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,892 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,893 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:32,955 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:32,956 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:33,020 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:33,021 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:33,091 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:33,092 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:33,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:33,163 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:33,247 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:33,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:33,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:33,319 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:33,395 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:33,396 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:33,473 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:33,474 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:33,549 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:33,550 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:33,628 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:33,629 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:33,712 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:33,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:33,796 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:33,797 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:33,879 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:33,880 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:33,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:33,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:34,058 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:34,062 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:34,148 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:34,149 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:34,240 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:34,240 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:34,333 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:34,334 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:34,430 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:34,431 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:34,525 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:34,526 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:34,623 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:34,624 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:34,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:34,727 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:34,826 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:34,827 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:34,929 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:34,930 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:35,038 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:35,039 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:35,144 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:35,145 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:35,252 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:35,253 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:35,367 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:35,368 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:35,477 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:35,478 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:35,590 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:35,591 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:35,708 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:35,709 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:35,836 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:35,837 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:35,956 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:35,956 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:36,082 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:36,082 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:36,205 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:36,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:36,332 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:36,333 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:36,456 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:36,457 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:36,583 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:36,584 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:36,715 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:36,716 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:36,844 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:36,845 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:36,980 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:36,981 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:37,115 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:37,116 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:37,249 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:37,250 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:37,390 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:37,391 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:37,527 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:37,528 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:37,674 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:37,675 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:37,814 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:37,815 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:37,961 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:37,962 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:38,107 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:38,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:38,257 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:38,260 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:38,422 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:38,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:38,573 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:38,574 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:38,725 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:38,726 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:38,879 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:38,880 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:39,037 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:39,038 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:39,196 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:39,197 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:39,360 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:39,361 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:39,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:39,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:20:39,902 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 21:20:39,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043735690] [2021-02-21 21:20:39,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:20:39,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [85] imperfect sequences [] total 85 [2021-02-21 21:20:39,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126504726] [2021-02-21 21:20:39,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 85 states [2021-02-21 21:20:39,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:20:39,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-02-21 21:20:39,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1767, Invalid=5373, Unknown=0, NotChecked=0, Total=7140 [2021-02-21 21:20:39,904 INFO L87 Difference]: Start difference. First operand 292 states and 297 transitions. Second operand 85 states. [2021-02-21 21:20:51,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:20:51,471 INFO L93 Difference]: Finished difference Result 339 states and 349 transitions. [2021-02-21 21:20:51,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-02-21 21:20:51,473 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 281 [2021-02-21 21:20:51,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:20:51,475 INFO L225 Difference]: With dead ends: 339 [2021-02-21 21:20:51,475 INFO L226 Difference]: Without dead ends: 302 [2021-02-21 21:20:51,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5034 ImplicationChecksByTransitivity, 17.7s TimeCoverageRelationStatistics Valid=8381, Invalid=19341, Unknown=0, NotChecked=0, Total=27722 [2021-02-21 21:20:51,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-02-21 21:20:51,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2021-02-21 21:20:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2021-02-21 21:20:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 303 transitions. [2021-02-21 21:20:51,545 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 303 transitions. Word has length 281 [2021-02-21 21:20:51,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:20:51,545 INFO L480 AbstractCegarLoop]: Abstraction has 298 states and 303 transitions. [2021-02-21 21:20:51,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 85 states. [2021-02-21 21:20:51,545 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 303 transitions. [2021-02-21 21:20:51,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-02-21 21:20:51,547 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:20:51,547 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 21:20:51,547 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-02-21 21:20:51,547 INFO L428 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:20:51,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:20:51,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1825765584, now seen corresponding path program 40 times [2021-02-21 21:20:51,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:20:51,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [814201016] [2021-02-21 21:20:51,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:20:51,561 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:20:51,562 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:20:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:51,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:51,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:51,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:51,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:51,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:20:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:51,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:51,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:51,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:20:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:20:51,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:20:51,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:20:51,865 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:20:51,866 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:20:51,880 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:51,881 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:51,909 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:51,909 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:51,941 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:51,942 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:51,975 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:51,975 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,010 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,011 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,047 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,048 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,088 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,089 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,132 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,174 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,175 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,218 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,219 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,264 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,265 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,310 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,311 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,359 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,360 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,413 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,414 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,467 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,468 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,525 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,526 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,580 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,581 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,637 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,638 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,697 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,698 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,759 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,760 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,826 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,827 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,895 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,896 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:52,962 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:52,963 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:53,031 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:53,032 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:53,101 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:53,102 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:53,177 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:53,178 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:53,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:53,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:53,328 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:53,329 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:53,404 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:53,405 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:53,485 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:53,486 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:53,571 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:53,572 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:53,652 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:53,653 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:53,737 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:53,738 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:53,823 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:53,824 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:53,915 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:53,916 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:54,004 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:54,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:54,095 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:54,096 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:54,190 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:54,191 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:54,288 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:54,289 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:54,384 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:54,385 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:54,493 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:54,494 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:54,599 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:54,600 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:54,701 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:54,702 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:54,804 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:54,805 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:54,911 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:54,912 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:55,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:55,022 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:55,128 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:55,129 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:55,240 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:55,241 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:55,356 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:55,357 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:55,468 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:55,469 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:55,584 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:55,585 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:55,706 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:55,707 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:55,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:55,824 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:55,946 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:55,948 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:56,073 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:56,074 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:56,197 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:56,198 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:56,324 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:56,326 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:56,456 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:56,457 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:56,583 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:56,584 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:56,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:56,721 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:56,854 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:56,854 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:56,987 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:56,988 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:57,130 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:57,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:57,281 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:57,282 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:57,425 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:57,426 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:57,568 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:57,569 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:57,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:57,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:57,862 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:57,863 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:58,007 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:58,008 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:58,160 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:58,161 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:58,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:58,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:58,464 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:58,465 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:58,621 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:58,622 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:58,776 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:58,777 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:58,940 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:58,941 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:59,098 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:59,099 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:59,266 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:59,267 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:59,428 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:59,429 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:59,601 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:59,602 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:59,766 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:59,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:20:59,953 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:20:59,954 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:00,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:00,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:21:00,510 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 21:21:00,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [814201016] [2021-02-21 21:21:00,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:21:00,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [87] imperfect sequences [] total 87 [2021-02-21 21:21:00,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801683926] [2021-02-21 21:21:00,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-02-21 21:21:00,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:21:00,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-02-21 21:21:00,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1852, Invalid=5630, Unknown=0, NotChecked=0, Total=7482 [2021-02-21 21:21:00,513 INFO L87 Difference]: Start difference. First operand 298 states and 303 transitions. Second operand 87 states. [2021-02-21 21:21:13,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:21:13,030 INFO L93 Difference]: Finished difference Result 345 states and 355 transitions. [2021-02-21 21:21:13,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-02-21 21:21:13,032 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 287 [2021-02-21 21:21:13,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:21:13,033 INFO L225 Difference]: With dead ends: 345 [2021-02-21 21:21:13,033 INFO L226 Difference]: Without dead ends: 308 [2021-02-21 21:21:13,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5283 ImplicationChecksByTransitivity, 19.2s TimeCoverageRelationStatistics Valid=8795, Invalid=20275, Unknown=0, NotChecked=0, Total=29070 [2021-02-21 21:21:13,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-02-21 21:21:13,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 304. [2021-02-21 21:21:13,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2021-02-21 21:21:13,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 309 transitions. [2021-02-21 21:21:13,103 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 309 transitions. Word has length 287 [2021-02-21 21:21:13,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:21:13,104 INFO L480 AbstractCegarLoop]: Abstraction has 304 states and 309 transitions. [2021-02-21 21:21:13,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 87 states. [2021-02-21 21:21:13,104 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 309 transitions. [2021-02-21 21:21:13,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-02-21 21:21:13,106 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:21:13,106 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 21:21:13,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-02-21 21:21:13,106 INFO L428 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:21:13,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:21:13,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1719846124, now seen corresponding path program 41 times [2021-02-21 21:21:13,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:21:13,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716435755] [2021-02-21 21:21:13,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:21:13,119 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:21:13,120 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:21:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:21:13,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:13,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:13,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:13,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:13,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:21:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:21:13,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:13,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:13,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:21:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:21:13,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:13,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:13,410 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:21:13,411 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:21:13,426 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,427 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,457 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,458 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,490 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,491 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,525 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,526 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,561 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,562 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,615 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,616 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,658 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,659 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,704 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,705 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,751 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,752 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,798 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,846 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,846 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,895 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,896 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,947 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:13,947 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:13,999 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,000 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,057 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,058 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,117 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,118 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,177 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,178 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,237 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,238 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,299 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,300 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,362 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,363 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,430 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,431 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,501 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,502 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,573 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,574 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,643 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,644 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,715 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,716 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,872 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,872 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:14,952 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:14,953 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,033 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,034 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,115 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,116 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,205 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,296 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,297 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,383 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,384 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,471 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,472 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,564 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,565 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,662 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,664 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,757 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,852 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,854 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:15,951 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:15,952 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:16,058 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:16,059 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:16,157 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:16,158 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:16,261 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:16,262 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:16,373 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:16,374 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:16,495 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:16,496 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:16,603 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:16,604 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:16,718 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:16,719 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:16,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:16,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:16,950 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:16,951 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:17,066 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:17,068 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:17,191 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:17,192 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:17,312 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:17,313 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:17,433 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:17,434 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:17,561 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:17,561 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:17,686 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:17,687 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:17,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:17,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:17,948 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:17,949 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:18,079 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:18,081 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:18,211 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:18,212 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:18,354 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:18,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:18,489 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:18,490 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:18,628 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:18,629 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:18,775 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:18,776 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:18,916 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:18,917 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:19,062 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:19,063 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:19,213 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:19,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:19,373 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:19,374 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:19,529 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:19,530 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:19,678 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:19,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:19,833 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:19,834 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:19,994 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:19,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:20,153 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:20,154 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:20,319 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:20,320 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:20,480 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:20,481 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:20,647 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:20,648 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:20,815 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:20,816 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:20,981 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:20,982 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:21,156 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:21,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:21,325 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:21,326 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:21,504 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:21,505 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:21,676 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:21,677 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:21,859 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:21,860 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:22,034 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:22,035 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:22,234 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:22,235 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:22,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:22,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:21:22,821 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 21:21:22,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716435755] [2021-02-21 21:21:22,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:21:22,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [89] imperfect sequences [] total 89 [2021-02-21 21:21:22,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022242150] [2021-02-21 21:21:22,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-02-21 21:21:22,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:21:22,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-02-21 21:21:22,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1939, Invalid=5893, Unknown=0, NotChecked=0, Total=7832 [2021-02-21 21:21:22,823 INFO L87 Difference]: Start difference. First operand 304 states and 309 transitions. Second operand 89 states. [2021-02-21 21:21:36,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:21:36,468 INFO L93 Difference]: Finished difference Result 351 states and 361 transitions. [2021-02-21 21:21:36,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2021-02-21 21:21:36,470 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 293 [2021-02-21 21:21:36,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:21:36,472 INFO L225 Difference]: With dead ends: 351 [2021-02-21 21:21:36,472 INFO L226 Difference]: Without dead ends: 314 [2021-02-21 21:21:36,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5538 ImplicationChecksByTransitivity, 20.9s TimeCoverageRelationStatistics Valid=9219, Invalid=21231, Unknown=0, NotChecked=0, Total=30450 [2021-02-21 21:21:36,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-02-21 21:21:36,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 310. [2021-02-21 21:21:36,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2021-02-21 21:21:36,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 315 transitions. [2021-02-21 21:21:36,549 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 315 transitions. Word has length 293 [2021-02-21 21:21:36,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:21:36,550 INFO L480 AbstractCegarLoop]: Abstraction has 310 states and 315 transitions. [2021-02-21 21:21:36,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 89 states. [2021-02-21 21:21:36,550 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 315 transitions. [2021-02-21 21:21:36,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-02-21 21:21:36,551 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:21:36,552 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 21:21:36,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-02-21 21:21:36,552 INFO L428 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:21:36,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:21:36,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1633160200, now seen corresponding path program 42 times [2021-02-21 21:21:36,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:21:36,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [483626306] [2021-02-21 21:21:36,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:21:36,565 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:21:36,566 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:21:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:21:36,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:36,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:36,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:36,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:36,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:21:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:21:36,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:36,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:36,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:21:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:21:36,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:36,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:21:36,844 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:21:36,845 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:21:36,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:36,862 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:36,897 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:36,898 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:36,933 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:36,935 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:36,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:36,973 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,015 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,059 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,060 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,100 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,101 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,145 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,146 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,196 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,197 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,248 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,249 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,301 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,302 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,364 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,365 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,418 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,419 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,474 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,475 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,532 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,533 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,595 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,596 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,660 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,661 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,727 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,862 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,863 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:37,931 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:37,932 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,003 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,004 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,079 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,156 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,232 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,233 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,310 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,311 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,390 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,391 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,477 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,565 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,651 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,652 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,738 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,739 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,830 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,831 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:38,927 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:38,928 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,037 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,038 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,132 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,230 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,335 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,336 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,436 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,437 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,539 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,646 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,647 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,760 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,761 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,870 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:39,980 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:39,981 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:40,097 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:40,098 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:40,216 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:40,217 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:40,330 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:40,331 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:40,448 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:40,449 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:40,577 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:40,578 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:40,700 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:40,701 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:40,825 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:40,827 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:40,957 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:40,958 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:41,090 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:41,091 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:41,224 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:41,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:41,359 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:41,361 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:41,497 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:41,498 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:41,633 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:41,634 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:41,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:41,775 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:41,919 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:41,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:42,072 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:42,074 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:42,222 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:42,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:42,371 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:42,372 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:42,518 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:42,519 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:42,673 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:42,675 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:42,827 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:42,828 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:42,977 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:42,978 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:43,141 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:43,142 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:43,296 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:43,297 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:43,456 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:43,457 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:43,622 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:43,623 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:43,784 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:43,785 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:43,954 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:43,955 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:44,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:44,124 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:44,293 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:44,294 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:44,471 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:44,472 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:44,642 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:44,643 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:44,827 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:44,828 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:45,016 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:45,017 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:45,198 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:45,199 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:45,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:45,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:45,565 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:45,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:45,755 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:45,756 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:45,942 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:45,943 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:46,141 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:46,142 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:46,330 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:46,331 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:46,530 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:21:46,531 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:21:46,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:21:46,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:21:47,162 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 21:21:47,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [483626306] [2021-02-21 21:21:47,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:21:47,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [91] imperfect sequences [] total 91 [2021-02-21 21:21:47,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596602229] [2021-02-21 21:21:47,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 91 states [2021-02-21 21:21:47,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:21:47,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2021-02-21 21:21:47,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2028, Invalid=6162, Unknown=0, NotChecked=0, Total=8190 [2021-02-21 21:21:47,165 INFO L87 Difference]: Start difference. First operand 310 states and 315 transitions. Second operand 91 states. [2021-02-21 21:22:02,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:22:02,539 INFO L93 Difference]: Finished difference Result 357 states and 367 transitions. [2021-02-21 21:22:02,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-02-21 21:22:02,541 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 299 [2021-02-21 21:22:02,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:22:02,546 INFO L225 Difference]: With dead ends: 357 [2021-02-21 21:22:02,546 INFO L226 Difference]: Without dead ends: 320 [2021-02-21 21:22:02,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5799 ImplicationChecksByTransitivity, 23.0s TimeCoverageRelationStatistics Valid=9653, Invalid=22209, Unknown=0, NotChecked=0, Total=31862 [2021-02-21 21:22:02,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-02-21 21:22:02,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 316. [2021-02-21 21:22:02,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2021-02-21 21:22:02,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 321 transitions. [2021-02-21 21:22:02,625 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 321 transitions. Word has length 299 [2021-02-21 21:22:02,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:22:02,625 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 321 transitions. [2021-02-21 21:22:02,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has 91 states. [2021-02-21 21:22:02,626 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 321 transitions. [2021-02-21 21:22:02,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-02-21 21:22:02,627 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:22:02,627 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 21:22:02,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-02-21 21:22:02,628 INFO L428 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:22:02,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:22:02,628 INFO L82 PathProgramCache]: Analyzing trace with hash -871723484, now seen corresponding path program 43 times [2021-02-21 21:22:02,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:22:02,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873656210] [2021-02-21 21:22:02,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:22:02,642 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:22:02,644 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:22:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:22:02,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:02,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:02,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:02,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:02,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:22:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:22:02,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:02,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:02,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:22:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:22:02,955 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:02,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:02,958 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:22:02,959 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:22:02,975 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:02,976 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,016 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,017 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,060 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,062 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,107 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,154 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,155 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,205 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,207 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,306 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,307 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,359 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,360 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,414 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,415 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,466 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,467 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,521 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,522 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,577 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,578 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,636 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,637 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,697 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,698 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,763 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,764 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,830 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,831 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,897 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,898 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:03,965 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:03,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:04,036 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:04,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:04,109 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:04,110 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:04,187 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:04,188 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:04,269 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:04,270 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:04,350 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:04,351 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:04,429 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:04,430 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:04,512 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:04,513 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:04,598 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:04,599 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:04,690 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:04,691 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:04,783 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:04,784 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:04,872 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:04,873 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:04,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:04,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,061 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,062 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,163 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,165 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,284 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,285 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,384 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,385 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,487 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,488 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,611 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,612 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 21:22:05,827 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:05,828 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:05,938 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 21:22:06,057 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,058 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,175 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,176 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,291 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,293 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,412 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,664 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,665 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,788 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,789 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:06,917 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:06,918 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,052 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,053 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,184 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,185 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,316 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,317 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,459 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,460 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,598 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,599 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,735 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,736 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:07,879 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:07,880 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:08,040 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:08,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:08,207 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:08,208 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:08,359 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:08,360 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:08,530 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:08,531 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:08,680 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:08,681 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:08,841 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:08,842 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:08,997 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:08,998 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:09,152 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:09,153 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:09,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:09,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:09,481 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:09,482 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:09,644 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:09,645 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:09,819 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:09,820 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:09,987 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:09,988 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:10,157 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:10,158 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:10,336 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:10,337 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:10,508 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:10,509 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:10,685 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:10,686 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:10,867 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:10,868 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:11,047 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:11,048 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:11,238 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:11,239 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:11,421 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:11,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:11,631 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:11,632 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:11,823 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:11,824 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:12,016 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:12,017 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:12,214 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:12,215 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:12,407 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:12,408 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:12,614 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:12,615 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:12,811 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:12,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:13,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:13,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:13,224 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:13,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:13,436 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:13,437 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:13,644 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:13,646 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:13,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:13,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:22:14,316 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 21:22:14,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873656210] [2021-02-21 21:22:14,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:22:14,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [93] imperfect sequences [] total 93 [2021-02-21 21:22:14,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895894212] [2021-02-21 21:22:14,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 93 states [2021-02-21 21:22:14,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:22:14,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-02-21 21:22:14,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2119, Invalid=6437, Unknown=0, NotChecked=0, Total=8556 [2021-02-21 21:22:14,318 INFO L87 Difference]: Start difference. First operand 316 states and 321 transitions. Second operand 93 states. [2021-02-21 21:22:30,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:22:30,601 INFO L93 Difference]: Finished difference Result 363 states and 373 transitions. [2021-02-21 21:22:30,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-02-21 21:22:30,603 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 305 [2021-02-21 21:22:30,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:22:30,605 INFO L225 Difference]: With dead ends: 363 [2021-02-21 21:22:30,605 INFO L226 Difference]: Without dead ends: 326 [2021-02-21 21:22:30,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6066 ImplicationChecksByTransitivity, 25.4s TimeCoverageRelationStatistics Valid=10097, Invalid=23209, Unknown=0, NotChecked=0, Total=33306 [2021-02-21 21:22:30,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-02-21 21:22:30,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 322. [2021-02-21 21:22:30,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2021-02-21 21:22:30,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 327 transitions. [2021-02-21 21:22:30,705 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 327 transitions. Word has length 305 [2021-02-21 21:22:30,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:22:30,705 INFO L480 AbstractCegarLoop]: Abstraction has 322 states and 327 transitions. [2021-02-21 21:22:30,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 93 states. [2021-02-21 21:22:30,705 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 327 transitions. [2021-02-21 21:22:30,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-02-21 21:22:30,707 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:22:30,707 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 21:22:30,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-02-21 21:22:30,708 INFO L428 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:22:30,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:22:30,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1669199040, now seen corresponding path program 44 times [2021-02-21 21:22:30,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:22:30,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [446635252] [2021-02-21 21:22:30,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:22:30,722 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:22:30,723 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:22:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:22:30,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:30,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:30,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:30,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:30,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:22:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:22:30,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:30,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:30,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:22:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:22:31,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:31,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:22:31,009 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:22:31,010 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:22:31,029 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,030 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,067 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,068 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,109 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,110 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,153 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,154 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,199 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,201 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,247 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,297 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,347 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,398 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,399 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,455 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,456 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,512 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,513 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,574 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,575 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,635 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,636 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,700 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,701 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,767 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,768 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,838 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,840 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,908 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,909 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:31,980 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:31,982 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:32,061 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:32,062 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:32,140 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:32,141 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:32,221 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:32,222 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:32,304 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:32,305 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:32,389 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:32,390 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:32,476 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:32,477 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:32,565 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:32,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:32,677 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:32,678 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:32,769 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:32,771 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:32,865 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:32,866 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:32,961 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:32,962 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:33,059 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:33,060 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:33,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:33,163 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:33,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:33,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:33,375 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:33,376 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:33,485 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:33,486 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:33,595 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:33,597 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:33,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:33,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:33,826 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:33,827 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:33,945 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:33,946 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:34,065 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:34,067 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:34,189 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:34,190 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:34,314 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:34,315 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:34,442 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:34,443 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:34,571 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:34,572 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:34,698 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:34,700 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:34,831 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:34,832 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:34,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:34,967 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:35,106 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:35,107 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:35,247 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:35,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:35,391 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:35,392 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:35,539 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:35,540 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:35,684 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:35,685 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:35,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:35,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:36,002 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:36,003 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:36,155 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:36,156 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:36,311 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:36,312 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:36,468 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:36,469 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:36,629 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:36,630 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:36,792 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:36,793 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:36,953 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:36,954 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:37,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:37,124 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:37,292 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:37,293 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:37,463 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:37,464 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:37,638 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:37,639 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:37,811 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:37,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:37,990 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:37,992 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:38,169 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:38,172 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:38,356 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:38,358 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:38,543 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:38,544 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:38,728 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:38,729 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:38,920 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:38,921 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:39,111 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:39,112 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:39,304 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:39,305 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:39,518 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:39,520 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:39,717 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:39,718 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:39,917 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:39,918 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,118 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,119 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,321 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,322 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,530 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,531 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,739 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,740 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:40,949 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:40,950 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:41,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:41,164 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:41,381 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:41,382 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:41,599 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:41,600 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:41,819 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:41,820 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:42,067 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:42,069 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:42,308 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:42,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:42,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:42,539 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:42,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:42,766 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:43,013 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:22:43,015 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:22:43,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:22:43,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:22:43,726 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 21:22:43,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [446635252] [2021-02-21 21:22:43,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:22:43,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [95] imperfect sequences [] total 95 [2021-02-21 21:22:43,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028922680] [2021-02-21 21:22:43,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 95 states [2021-02-21 21:22:43,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:22:43,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2021-02-21 21:22:43,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2212, Invalid=6718, Unknown=0, NotChecked=0, Total=8930 [2021-02-21 21:22:43,728 INFO L87 Difference]: Start difference. First operand 322 states and 327 transitions. Second operand 95 states. [2021-02-21 21:23:01,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:23:01,763 INFO L93 Difference]: Finished difference Result 369 states and 379 transitions. [2021-02-21 21:23:01,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-02-21 21:23:01,765 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 311 [2021-02-21 21:23:01,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:23:01,767 INFO L225 Difference]: With dead ends: 369 [2021-02-21 21:23:01,767 INFO L226 Difference]: Without dead ends: 332 [2021-02-21 21:23:01,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6339 ImplicationChecksByTransitivity, 28.3s TimeCoverageRelationStatistics Valid=10551, Invalid=24231, Unknown=0, NotChecked=0, Total=34782 [2021-02-21 21:23:01,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-02-21 21:23:01,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 328. [2021-02-21 21:23:01,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2021-02-21 21:23:01,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 333 transitions. [2021-02-21 21:23:01,848 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 333 transitions. Word has length 311 [2021-02-21 21:23:01,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:23:01,849 INFO L480 AbstractCegarLoop]: Abstraction has 328 states and 333 transitions. [2021-02-21 21:23:01,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 95 states. [2021-02-21 21:23:01,849 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 333 transitions. [2021-02-21 21:23:01,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-02-21 21:23:01,850 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:23:01,851 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 21:23:01,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-02-21 21:23:01,851 INFO L428 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:23:01,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:23:01,851 INFO L82 PathProgramCache]: Analyzing trace with hash 735462236, now seen corresponding path program 45 times [2021-02-21 21:23:01,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:23:01,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412797175] [2021-02-21 21:23:01,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:23:01,868 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:23:01,870 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:23:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:23:01,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:01,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:01,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:01,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:02,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:23:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:23:02,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:02,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:02,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:23:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:23:02,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:02,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:02,173 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:23:02,174 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:23:02,193 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:02,194 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:02,233 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:02,234 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:02,273 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:02,274 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:02,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:02,319 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:02,365 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:02,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:02,413 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:02,414 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:02,463 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:02,465 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:02,519 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:02,519 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:02,571 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:02,572 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:02,629 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:02,630 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:02,687 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:02,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:02,747 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:02,749 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:02,813 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:02,814 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:02,879 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:02,880 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:02,949 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:02,950 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:03,020 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:03,021 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:03,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:03,094 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:03,171 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:03,172 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:03,247 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:03,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:03,326 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:03,327 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:03,407 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:03,408 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:03,494 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:03,495 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:03,580 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:03,581 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:03,671 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:03,672 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:03,762 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:03,763 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:03,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:03,858 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:03,952 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:03,953 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:04,051 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:04,051 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:04,153 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:04,154 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:04,254 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:04,256 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:04,358 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:04,359 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:04,468 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:04,470 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:04,576 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:04,578 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:04,716 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:04,717 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:04,829 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:04,830 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:04,942 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:04,943 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:05,060 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:05,062 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:05,179 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:05,181 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:05,300 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:05,301 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:05,427 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:05,428 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:05,554 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:05,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:05,685 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:05,685 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:05,815 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:05,816 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:05,951 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:05,952 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:06,088 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:06,089 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:06,227 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:06,228 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:06,365 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:06,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:06,507 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:06,508 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:06,655 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:06,656 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:06,802 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:06,803 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:06,955 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:06,956 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:07,106 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:07,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:07,261 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:07,262 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:07,415 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:07,417 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:07,574 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:07,575 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:07,736 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:07,737 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:07,901 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:07,903 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:08,068 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:08,069 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:08,256 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:08,257 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:08,429 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:08,430 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:08,600 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:08,601 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:08,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:08,775 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:08,950 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:08,951 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:09,130 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:09,131 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:09,334 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:09,335 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:09,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:09,539 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:09,748 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:09,749 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:09,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:09,959 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:10,164 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:10,165 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:10,358 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:10,360 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:10,551 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:10,552 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:10,753 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:10,754 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:10,953 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:10,954 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:11,157 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:11,158 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:11,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:11,363 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:11,570 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:11,571 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:11,795 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:11,796 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:12,009 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:12,010 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:12,223 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:12,224 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:12,441 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:12,442 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:12,663 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:12,664 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:12,884 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:12,885 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:13,106 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:13,107 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:13,330 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:13,331 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:13,558 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:13,559 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:13,789 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:13,790 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:14,024 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:14,025 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:14,258 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:14,259 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:14,495 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:14,496 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:14,734 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:14,735 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:14,979 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:14,980 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:15,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:15,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:23:15,732 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 21:23:15,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1412797175] [2021-02-21 21:23:15,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:23:15,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [97] imperfect sequences [] total 97 [2021-02-21 21:23:15,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609036221] [2021-02-21 21:23:15,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 97 states [2021-02-21 21:23:15,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:23:15,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-02-21 21:23:15,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2307, Invalid=7005, Unknown=0, NotChecked=0, Total=9312 [2021-02-21 21:23:15,734 INFO L87 Difference]: Start difference. First operand 328 states and 333 transitions. Second operand 97 states. [2021-02-21 21:23:36,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:23:36,057 INFO L93 Difference]: Finished difference Result 375 states and 385 transitions. [2021-02-21 21:23:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-02-21 21:23:36,059 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 317 [2021-02-21 21:23:36,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:23:36,062 INFO L225 Difference]: With dead ends: 375 [2021-02-21 21:23:36,062 INFO L226 Difference]: Without dead ends: 338 [2021-02-21 21:23:36,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6618 ImplicationChecksByTransitivity, 30.2s TimeCoverageRelationStatistics Valid=11015, Invalid=25275, Unknown=0, NotChecked=0, Total=36290 [2021-02-21 21:23:36,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2021-02-21 21:23:36,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 334. [2021-02-21 21:23:36,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2021-02-21 21:23:36,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 339 transitions. [2021-02-21 21:23:36,151 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 339 transitions. Word has length 317 [2021-02-21 21:23:36,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:23:36,151 INFO L480 AbstractCegarLoop]: Abstraction has 334 states and 339 transitions. [2021-02-21 21:23:36,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 97 states. [2021-02-21 21:23:36,152 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 339 transitions. [2021-02-21 21:23:36,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-02-21 21:23:36,153 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:23:36,154 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 21:23:36,154 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-02-21 21:23:36,154 INFO L428 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:23:36,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:23:36,154 INFO L82 PathProgramCache]: Analyzing trace with hash 307164792, now seen corresponding path program 46 times [2021-02-21 21:23:36,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:23:36,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359033468] [2021-02-21 21:23:36,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:23:36,176 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:23:36,177 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:23:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:23:36,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:36,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:36,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:36,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:36,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:23:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:23:36,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:36,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:36,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:23:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:23:36,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:36,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:23:36,523 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:23:36,525 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:23:36,545 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:36,547 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:36,592 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:36,594 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:36,637 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:36,638 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:36,683 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:36,685 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:36,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:36,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:36,784 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:36,785 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:36,838 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:36,839 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:36,896 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:36,897 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:36,955 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:36,957 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:37,017 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:37,018 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:37,084 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:37,086 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:37,150 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:37,151 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:37,219 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:37,220 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:37,290 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:37,291 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:37,364 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:37,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:37,440 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:37,441 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:37,519 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:37,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:37,624 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:37,625 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:37,706 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:37,707 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:37,790 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:37,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:37,874 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:37,875 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:37,965 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:37,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:38,054 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:38,055 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:38,150 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:38,151 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:38,246 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:38,247 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:38,343 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:38,344 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:38,444 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:38,445 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:38,546 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:38,548 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:38,654 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:38,655 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:38,764 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:38,765 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:38,874 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:38,875 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:38,991 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:38,992 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:39,107 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:39,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:39,228 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:39,228 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:39,346 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:39,347 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:39,469 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:39,470 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:39,598 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:39,600 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:39,724 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:39,725 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:39,855 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:39,856 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:39,986 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:39,988 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:40,118 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:40,119 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:40,258 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:40,260 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:40,397 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:40,398 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:40,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:40,542 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:40,684 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:40,686 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:40,831 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:40,832 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:40,982 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:40,983 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:41,135 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:41,136 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:41,304 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:41,305 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:41,459 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:41,460 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:41,619 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:41,620 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:41,779 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:41,780 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:41,944 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:41,946 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:42,110 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:42,111 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:42,279 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:42,280 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:42,447 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:42,448 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:42,621 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:42,622 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:42,796 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:42,797 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:42,973 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:42,975 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:43,154 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:43,156 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:43,338 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:43,339 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:43,522 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:43,523 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:43,710 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:43,711 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:43,898 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:43,899 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:44,091 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:44,093 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:44,287 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:44,288 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:44,483 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:44,484 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:44,684 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:44,685 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:44,905 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:44,907 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:45,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:45,107 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:45,313 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:45,314 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:45,522 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:45,523 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:45,737 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:45,739 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:45,949 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:45,950 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:46,167 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:46,168 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:46,387 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:46,388 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:46,609 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:46,610 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:46,830 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:46,831 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:47,055 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:47,057 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:47,283 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:47,284 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:47,518 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:47,519 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:47,752 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:47,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:47,990 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:47,991 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:48,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:48,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:48,470 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:48,471 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:48,731 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:48,732 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:48,984 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:48,985 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:49,232 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:49,234 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:49,484 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:49,485 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:49,738 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:49,740 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:49,997 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:49,998 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:50,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:50,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:50,513 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:23:50,515 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:23:50,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:23:50,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:23:51,299 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 21:23:51,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1359033468] [2021-02-21 21:23:51,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:23:51,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [99] imperfect sequences [] total 99 [2021-02-21 21:23:51,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108314034] [2021-02-21 21:23:51,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 99 states [2021-02-21 21:23:51,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:23:51,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2021-02-21 21:23:51,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2404, Invalid=7298, Unknown=0, NotChecked=0, Total=9702 [2021-02-21 21:23:51,302 INFO L87 Difference]: Start difference. First operand 334 states and 339 transitions. Second operand 99 states. [2021-02-21 21:24:12,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:24:12,531 INFO L93 Difference]: Finished difference Result 381 states and 391 transitions. [2021-02-21 21:24:12,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-02-21 21:24:12,534 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 323 [2021-02-21 21:24:12,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:24:12,536 INFO L225 Difference]: With dead ends: 381 [2021-02-21 21:24:12,536 INFO L226 Difference]: Without dead ends: 344 [2021-02-21 21:24:12,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6903 ImplicationChecksByTransitivity, 33.1s TimeCoverageRelationStatistics Valid=11489, Invalid=26341, Unknown=0, NotChecked=0, Total=37830 [2021-02-21 21:24:12,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-02-21 21:24:12,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 340. [2021-02-21 21:24:12,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2021-02-21 21:24:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 345 transitions. [2021-02-21 21:24:12,629 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 345 transitions. Word has length 323 [2021-02-21 21:24:12,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:24:12,630 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 345 transitions. [2021-02-21 21:24:12,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 99 states. [2021-02-21 21:24:12,630 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 345 transitions. [2021-02-21 21:24:12,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-02-21 21:24:12,632 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:24:12,632 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 21:24:12,632 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-02-21 21:24:12,632 INFO L428 AbstractCegarLoop]: === Iteration 50 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:24:12,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:24:12,633 INFO L82 PathProgramCache]: Analyzing trace with hash 56878228, now seen corresponding path program 47 times [2021-02-21 21:24:12,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:24:12,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50405213] [2021-02-21 21:24:12,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:24:12,648 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:24:12,649 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:24:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:24:12,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:24:12,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:24:12,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:24:12,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:24:12,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:24:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:24:12,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:24:12,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:24:12,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:24:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:24:13,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:24:13,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:24:13,056 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:24:13,057 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:24:13,079 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,081 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,133 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,135 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,190 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,191 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,248 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,249 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,311 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,365 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,422 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,423 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,485 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,487 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,549 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,550 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,616 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,617 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,683 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,684 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,752 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,901 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:13,975 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:13,977 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:14,056 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:14,058 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:14,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:14,140 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:14,224 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:14,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:14,311 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:14,312 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:14,402 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:14,403 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:14,495 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:14,496 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:14,591 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:14,592 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:14,687 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:14,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:14,787 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:14,788 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:14,890 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:14,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:14,996 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:14,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:15,106 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:15,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:15,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:15,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:15,335 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:15,336 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:15,476 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:15,477 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:15,591 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:15,592 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:15,710 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:15,711 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:15,833 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:15,834 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:15,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:15,960 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:16,088 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:16,089 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:16,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:16,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:16,352 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:16,353 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:16,483 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:16,484 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:16,621 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:16,622 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:16,763 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:16,765 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:16,905 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:16,906 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:17,049 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:17,050 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:17,196 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:17,198 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:17,348 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:17,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:17,499 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:17,500 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:17,655 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:17,657 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:17,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:17,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:17,973 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:17,974 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:18,135 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:18,136 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:18,302 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:18,304 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:18,469 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:18,470 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:18,641 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:18,642 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:18,814 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:18,815 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:18,990 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:18,991 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:19,170 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:19,171 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:19,367 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:19,368 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:19,555 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:19,556 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:19,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:19,742 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:19,929 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:19,930 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:20,121 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:20,122 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:20,316 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:20,317 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:20,516 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:20,517 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:20,716 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:20,719 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:20,922 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:20,923 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:21,127 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:21,129 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:21,332 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:21,333 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:21,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:21,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:21,753 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:21,754 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:21,968 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:21,969 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:22,185 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:22,186 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:22,406 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:22,407 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:22,630 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:22,631 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:22,854 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:22,856 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:23,081 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:23,082 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:23,328 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:23,329 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:23,558 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:23,559 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:23,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:23,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:24,027 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:24,029 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:24,264 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:24,265 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:24,505 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:24,506 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:24,752 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:24,754 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:25,002 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:25,003 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:25,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:25,255 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:25,507 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:25,508 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:25,760 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:25,761 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:26,018 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:26,020 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:26,286 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:26,287 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:26,550 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:26,551 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:26,814 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:26,815 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:27,097 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:27,099 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:27,371 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:27,372 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:27,644 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:27,645 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:27,916 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:27,917 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:28,198 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:28,200 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:28,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:28,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:28,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:24:28,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:24:29,304 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 21:24:29,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50405213] [2021-02-21 21:24:29,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:24:29,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [101] imperfect sequences [] total 101 [2021-02-21 21:24:29,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900059593] [2021-02-21 21:24:29,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-02-21 21:24:29,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:24:29,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-02-21 21:24:29,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2503, Invalid=7597, Unknown=0, NotChecked=0, Total=10100 [2021-02-21 21:24:29,307 INFO L87 Difference]: Start difference. First operand 340 states and 345 transitions. Second operand 101 states. [2021-02-21 21:24:52,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:24:52,474 INFO L93 Difference]: Finished difference Result 387 states and 397 transitions. [2021-02-21 21:24:52,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-02-21 21:24:52,477 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 329 [2021-02-21 21:24:52,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:24:52,480 INFO L225 Difference]: With dead ends: 387 [2021-02-21 21:24:52,480 INFO L226 Difference]: Without dead ends: 350 [2021-02-21 21:24:52,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7194 ImplicationChecksByTransitivity, 36.3s TimeCoverageRelationStatistics Valid=11973, Invalid=27429, Unknown=0, NotChecked=0, Total=39402 [2021-02-21 21:24:52,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-02-21 21:24:52,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 346. [2021-02-21 21:24:52,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2021-02-21 21:24:52,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 351 transitions. [2021-02-21 21:24:52,583 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 351 transitions. Word has length 329 [2021-02-21 21:24:52,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:24:52,583 INFO L480 AbstractCegarLoop]: Abstraction has 346 states and 351 transitions. [2021-02-21 21:24:52,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 101 states. [2021-02-21 21:24:52,583 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 351 transitions. [2021-02-21 21:24:52,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-02-21 21:24:52,585 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:24:52,585 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 21:24:52,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-02-21 21:24:52,585 INFO L428 AbstractCegarLoop]: === Iteration 51 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:24:52,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:24:52,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1447244368, now seen corresponding path program 48 times [2021-02-21 21:24:52,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:24:52,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [681387828] [2021-02-21 21:24:52,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:24:52,599 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:24:52,600 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:24:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:24:52,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:24:52,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:24:52,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:24:52,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:24:52,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:24:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:24:52,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:24:52,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:24:52,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:24:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:24:52,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:24:52,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:24:52,942 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:24:52,943 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:24:52,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:52,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,012 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,063 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,065 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,117 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,118 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,172 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,174 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,232 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,234 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,292 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,293 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,356 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,358 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,423 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,424 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,491 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,493 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,562 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,563 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,636 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,637 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,712 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,873 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,874 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:53,953 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:53,955 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:54,040 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:54,042 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:54,130 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:54,132 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:54,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:54,222 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:54,314 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:54,316 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:54,413 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:54,415 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:54,513 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:54,514 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:54,618 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:54,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:54,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:54,742 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:54,852 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:54,854 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:54,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:54,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:55,078 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:55,079 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:55,193 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:55,194 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:55,312 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:55,313 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:55,438 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:55,439 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:55,561 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:55,562 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:55,690 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:55,691 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:55,819 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:55,820 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:55,948 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:55,950 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:56,080 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:56,081 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:56,217 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:56,218 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:56,353 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:56,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:56,496 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:56,498 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:56,638 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:56,639 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:56,786 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:56,788 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:56,936 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:56,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:57,086 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:57,088 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:57,244 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:57,245 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:57,400 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:57,401 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:57,564 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:57,565 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:57,727 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:57,729 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:57,895 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:57,896 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:58,067 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:58,069 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:58,239 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:58,241 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:58,413 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:58,415 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:58,593 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:58,594 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:58,788 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:58,789 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:58,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:58,973 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:59,153 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:59,155 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:59,344 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:59,346 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:59,530 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:59,532 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:59,721 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:59,722 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:24:59,910 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:24:59,912 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:00,107 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:00,109 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:00,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:00,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:00,511 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:00,512 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:00,715 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:00,716 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:00,925 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:00,927 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:01,133 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:01,134 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:01,346 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:01,347 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:01,559 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:01,560 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:01,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:01,775 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:01,998 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:01,999 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:02,219 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:02,222 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:02,471 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:02,472 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:02,701 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:02,702 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:02,955 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:02,956 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:03,186 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:03,187 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:03,426 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:03,428 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:03,666 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:03,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:03,908 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:03,909 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:04,156 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:04,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:04,413 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:04,414 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:04,664 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:04,666 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:04,919 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:04,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:05,173 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:05,175 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:05,440 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:05,441 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:05,713 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:05,715 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:05,981 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:05,982 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:06,242 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:06,244 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:06,517 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:06,519 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:06,795 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:06,796 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:07,083 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:07,085 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:07,372 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:07,373 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:07,651 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:07,652 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:07,933 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:07,934 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:08,216 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:08,217 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:08,504 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:08,506 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:08,796 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:08,797 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:09,089 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:09,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:09,385 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:09,387 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:09,683 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:09,684 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:09,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:25:09,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:25:10,555 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 21:25:10,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [681387828] [2021-02-21 21:25:10,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:25:10,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [103] imperfect sequences [] total 103 [2021-02-21 21:25:10,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901052951] [2021-02-21 21:25:10,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 103 states [2021-02-21 21:25:10,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:25:10,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2021-02-21 21:25:10,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2604, Invalid=7902, Unknown=0, NotChecked=0, Total=10506 [2021-02-21 21:25:10,557 INFO L87 Difference]: Start difference. First operand 346 states and 351 transitions. Second operand 103 states. [2021-02-21 21:25:36,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:25:36,056 INFO L93 Difference]: Finished difference Result 393 states and 403 transitions. [2021-02-21 21:25:36,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-02-21 21:25:36,059 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 335 [2021-02-21 21:25:36,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:25:36,061 INFO L225 Difference]: With dead ends: 393 [2021-02-21 21:25:36,061 INFO L226 Difference]: Without dead ends: 356 [2021-02-21 21:25:36,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7491 ImplicationChecksByTransitivity, 39.8s TimeCoverageRelationStatistics Valid=12467, Invalid=28539, Unknown=0, NotChecked=0, Total=41006 [2021-02-21 21:25:36,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-02-21 21:25:36,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 352. [2021-02-21 21:25:36,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2021-02-21 21:25:36,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 357 transitions. [2021-02-21 21:25:36,133 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 357 transitions. Word has length 335 [2021-02-21 21:25:36,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:25:36,133 INFO L480 AbstractCegarLoop]: Abstraction has 352 states and 357 transitions. [2021-02-21 21:25:36,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 103 states. [2021-02-21 21:25:36,133 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 357 transitions. [2021-02-21 21:25:36,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-02-21 21:25:36,135 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:25:36,135 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 21:25:36,135 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-02-21 21:25:36,136 INFO L428 AbstractCegarLoop]: === Iteration 52 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:25:36,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:25:36,136 INFO L82 PathProgramCache]: Analyzing trace with hash -2093911604, now seen corresponding path program 49 times [2021-02-21 21:25:36,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:25:36,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456632756] [2021-02-21 21:25:36,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:25:36,149 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:25:36,151 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:25:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:25:36,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:25:36,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:25:36,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:25:36,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:25:36,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:25:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:25:36,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:25:36,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:25:36,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:25:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:25:36,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:25:36,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:25:36,494 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:25:36,495 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:25:36,517 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:36,519 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:36,568 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:36,569 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:36,622 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:36,623 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:36,679 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:36,681 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:36,740 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:36,741 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:36,803 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:36,805 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:36,867 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:36,868 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:36,934 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:36,935 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:37,005 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:37,007 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:37,080 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:37,081 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:37,158 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:37,159 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:37,239 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:37,240 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:37,319 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:37,321 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:37,400 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:37,401 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:37,488 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:37,489 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:37,576 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:37,577 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:37,667 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:37,668 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:37,761 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:37,763 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:37,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:37,858 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:37,959 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:37,961 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:38,065 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:38,066 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:38,169 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:38,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:38,274 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:38,275 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:38,387 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:38,388 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:38,499 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:38,500 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:38,615 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:38,616 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:38,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:38,735 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:38,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:38,859 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:38,981 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:38,982 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:39,110 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:39,111 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:39,241 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:39,242 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:39,376 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:39,378 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:39,509 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:39,510 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:39,648 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:39,650 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:39,808 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:39,809 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:39,950 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:39,952 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:40,095 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:40,096 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:40,247 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:40,249 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:40,396 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:40,397 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:40,550 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:40,552 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:40,706 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:40,707 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:40,870 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:40,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:41,033 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:41,035 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:41,199 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:41,200 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:41,365 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:41,367 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:41,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:41,540 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:41,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:41,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:41,884 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:41,886 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,061 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,062 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,244 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,245 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,427 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,429 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,616 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,617 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,802 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,803 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:42,994 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:42,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:43,190 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:43,191 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:43,388 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:43,389 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:43,589 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:43,590 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:43,792 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:43,794 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:44,013 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:44,014 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:44,221 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:44,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:44,428 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:44,429 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:44,647 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:44,649 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:44,864 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:44,865 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:45,081 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:45,083 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:45,303 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:45,305 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:45,530 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:45,531 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:45,756 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:45,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:45,989 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:45,990 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:46,221 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:46,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:46,459 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:46,461 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:46,697 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:46,698 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:46,939 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:46,940 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:47,185 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:47,186 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:47,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:47,436 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:47,684 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:47,685 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:47,935 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:47,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:48,207 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:48,208 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:48,463 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:48,464 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:48,727 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:48,728 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:48,989 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:48,990 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:49,252 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:49,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:49,530 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:49,531 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:49,799 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:49,800 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:50,071 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:50,072 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:50,351 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:50,352 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:50,626 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:50,628 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:50,911 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:50,912 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:51,200 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:51,201 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:51,486 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:51,487 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:51,781 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:51,783 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:52,078 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:52,079 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:52,372 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:52,374 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:52,687 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:52,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:52,994 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:52,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:53,300 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:53,301 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:53,603 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:53,605 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:53,914 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:53,915 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:54,229 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:54,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:54,542 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:25:54,544 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:25:54,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:25:54,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:25:55,457 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 21:25:55,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456632756] [2021-02-21 21:25:55,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:25:55,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [105] imperfect sequences [] total 105 [2021-02-21 21:25:55,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052805380] [2021-02-21 21:25:55,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 105 states [2021-02-21 21:25:55,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:25:55,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2021-02-21 21:25:55,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2707, Invalid=8213, Unknown=0, NotChecked=0, Total=10920 [2021-02-21 21:25:55,460 INFO L87 Difference]: Start difference. First operand 352 states and 357 transitions. Second operand 105 states. [2021-02-21 21:26:23,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:26:23,001 INFO L93 Difference]: Finished difference Result 399 states and 409 transitions. [2021-02-21 21:26:23,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-02-21 21:26:23,004 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 341 [2021-02-21 21:26:23,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:26:23,005 INFO L225 Difference]: With dead ends: 399 [2021-02-21 21:26:23,006 INFO L226 Difference]: Without dead ends: 362 [2021-02-21 21:26:23,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7794 ImplicationChecksByTransitivity, 43.0s TimeCoverageRelationStatistics Valid=12971, Invalid=29671, Unknown=0, NotChecked=0, Total=42642 [2021-02-21 21:26:23,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-02-21 21:26:23,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 358. [2021-02-21 21:26:23,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2021-02-21 21:26:23,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 363 transitions. [2021-02-21 21:26:23,085 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 363 transitions. Word has length 341 [2021-02-21 21:26:23,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:26:23,086 INFO L480 AbstractCegarLoop]: Abstraction has 358 states and 363 transitions. [2021-02-21 21:26:23,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 105 states. [2021-02-21 21:26:23,086 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 363 transitions. [2021-02-21 21:26:23,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-02-21 21:26:23,087 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:26:23,087 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 21:26:23,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-02-21 21:26:23,087 INFO L428 AbstractCegarLoop]: === Iteration 53 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:26:23,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:26:23,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1127640856, now seen corresponding path program 50 times [2021-02-21 21:26:23,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:26:23,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1138346223] [2021-02-21 21:26:23,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:26:23,111 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:26:23,112 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:26:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:26:23,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:23,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:23,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:23,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:23,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:26:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:26:23,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:23,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:23,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:26:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:26:23,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:23,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:23,453 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:26:23,455 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:26:23,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:23,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:23,532 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:23,533 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:23,588 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:23,589 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:23,647 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:23,649 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:23,709 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:23,711 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:23,777 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:23,778 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:23,847 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:23,848 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:23,918 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:23,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:23,992 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:23,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:24,069 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:24,070 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:24,149 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:24,151 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:24,232 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:24,233 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:24,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:24,320 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:24,407 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:24,409 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:24,498 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:24,499 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:24,594 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:24,595 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:24,692 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:24,694 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:24,793 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:24,795 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:24,893 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:24,895 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:24,997 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:24,998 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:25,106 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:25,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:25,218 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:25,219 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:25,329 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:25,331 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:25,444 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:25,445 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:25,564 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:25,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:25,686 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:25,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:25,811 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:25,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:25,937 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:25,938 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:26,066 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:26,067 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:26,224 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:26,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:26,356 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:26,358 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:26,493 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:26,494 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:26,633 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:26,635 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:26,780 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:26,781 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:26,928 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:26,929 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:27,080 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:27,081 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:27,234 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:27,236 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:27,390 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:27,392 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:27,553 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:27,554 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:27,714 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:27,716 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:27,878 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:27,879 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:28,045 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:28,046 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:28,215 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:28,216 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:28,384 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:28,385 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:28,558 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:28,560 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:28,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:28,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:28,918 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:28,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:29,106 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:29,107 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:29,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:29,296 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:29,488 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:29,490 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:29,682 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:29,683 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:29,880 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:29,881 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:30,076 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:30,077 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:30,280 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:30,281 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:30,482 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:30,484 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:30,707 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:30,709 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:30,919 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:30,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:31,135 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:31,136 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:31,352 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:31,354 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:31,571 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:31,573 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:31,798 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:31,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:32,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:32,022 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:32,252 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:32,253 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:32,480 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:32,481 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:32,717 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:32,718 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:32,948 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:32,949 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:33,191 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:33,193 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:33,432 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:33,434 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:33,679 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:33,680 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:33,923 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:33,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:34,175 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:34,176 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:34,426 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:34,427 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:34,681 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:34,683 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:34,939 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:34,941 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:35,212 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:35,213 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:35,479 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:35,480 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:35,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:35,745 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:36,023 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:36,024 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:36,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:36,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:36,572 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:36,574 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:36,853 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:36,854 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:37,132 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:37,134 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:37,419 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:37,420 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:37,703 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:37,704 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:37,996 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:37,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:38,289 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:38,290 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:38,578 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:38,579 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:38,880 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:38,882 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:39,182 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:39,184 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:39,504 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:39,506 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:39,814 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:39,816 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:40,126 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:40,128 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:40,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:40,436 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:40,756 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:40,757 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:41,074 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:41,075 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:41,394 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:41,395 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:41,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:41,727 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:42,050 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:42,052 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:42,385 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:42,387 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:42,724 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:42,725 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:43,071 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:26:43,072 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:26:43,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:43,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:26:44,031 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 21:26:44,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1138346223] [2021-02-21 21:26:44,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:26:44,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [107] imperfect sequences [] total 107 [2021-02-21 21:26:44,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317136284] [2021-02-21 21:26:44,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 107 states [2021-02-21 21:26:44,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:26:44,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2021-02-21 21:26:44,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2812, Invalid=8530, Unknown=0, NotChecked=0, Total=11342 [2021-02-21 21:26:44,033 INFO L87 Difference]: Start difference. First operand 358 states and 363 transitions. Second operand 107 states. [2021-02-21 21:27:14,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:27:14,136 INFO L93 Difference]: Finished difference Result 405 states and 415 transitions. [2021-02-21 21:27:14,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2021-02-21 21:27:14,139 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 347 [2021-02-21 21:27:14,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:27:14,141 INFO L225 Difference]: With dead ends: 405 [2021-02-21 21:27:14,141 INFO L226 Difference]: Without dead ends: 368 [2021-02-21 21:27:14,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8103 ImplicationChecksByTransitivity, 46.4s TimeCoverageRelationStatistics Valid=13485, Invalid=30825, Unknown=0, NotChecked=0, Total=44310 [2021-02-21 21:27:14,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-02-21 21:27:14,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 364. [2021-02-21 21:27:14,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-02-21 21:27:14,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 369 transitions. [2021-02-21 21:27:14,209 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 369 transitions. Word has length 347 [2021-02-21 21:27:14,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:27:14,210 INFO L480 AbstractCegarLoop]: Abstraction has 364 states and 369 transitions. [2021-02-21 21:27:14,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 107 states. [2021-02-21 21:27:14,210 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 369 transitions. [2021-02-21 21:27:14,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-02-21 21:27:14,212 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:27:14,212 INFO L422 BasicCegarLoop]: trace histogram [51, 51, 51, 51, 51, 51, 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 21:27:14,212 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-02-21 21:27:14,212 INFO L428 AbstractCegarLoop]: === Iteration 54 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:27:14,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:27:14,213 INFO L82 PathProgramCache]: Analyzing trace with hash 247261956, now seen corresponding path program 51 times [2021-02-21 21:27:14,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:27:14,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705553080] [2021-02-21 21:27:14,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:27:14,228 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:27:14,229 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:27:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:27:14,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:27:14,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:27:14,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:27:14,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:27:14,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:27:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:27:14,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:27:14,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:27:14,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:27:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:27:14,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:27:14,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:27:14,610 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:27:14,611 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:27:14,636 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:14,638 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:14,692 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:14,694 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:14,755 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:14,757 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:14,820 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:14,821 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:14,886 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:14,887 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:14,955 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:14,956 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:15,026 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:15,028 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:15,104 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:15,106 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:15,184 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:15,186 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:15,267 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:15,269 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:15,352 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:15,354 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:15,440 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:15,442 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:15,531 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:15,533 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:15,624 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:15,625 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:15,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:15,722 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:15,821 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:15,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:15,926 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:15,927 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:16,030 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:16,032 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:16,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:16,140 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:16,251 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:16,252 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:16,367 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:16,368 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:16,485 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:16,487 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:16,607 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:16,609 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:16,731 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:16,733 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:16,859 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:16,860 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:16,986 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:16,987 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:17,117 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:17,119 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:17,256 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:17,258 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:17,405 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:17,407 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:17,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:17,548 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:17,694 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:17,696 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:17,845 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:17,846 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:17,994 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:17,996 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:18,151 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:18,152 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:18,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:18,307 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:18,460 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:18,461 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:18,641 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:18,643 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:18,811 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:18,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:18,981 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:18,983 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:19,156 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:19,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:19,331 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:19,332 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:19,505 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:19,506 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:19,687 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:19,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:19,874 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:19,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:20,057 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:20,058 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:20,247 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:20,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:20,439 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:20,441 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:20,634 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:20,636 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:20,835 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:20,836 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:21,035 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:21,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:21,241 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:21,243 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:21,451 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:21,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:21,658 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:21,659 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:21,877 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:21,878 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:22,095 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:22,097 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:22,315 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:22,317 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:22,543 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:22,545 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:22,770 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:22,772 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:22,998 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:23,000 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:23,233 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:23,234 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:23,482 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:23,484 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:23,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:23,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:23,969 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:23,971 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:24,213 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:24,215 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:24,465 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:24,467 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:24,715 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:24,717 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:24,967 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:24,969 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:25,223 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:25,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:25,483 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:25,485 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:25,747 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:25,748 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:26,011 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:26,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:26,282 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:26,284 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:26,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:26,559 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:26,832 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:26,834 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:27,109 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:27,111 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:27,390 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:27,392 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:27,682 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:27,683 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:27,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:27,968 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:28,275 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:28,277 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:28,567 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:28,568 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:28,859 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:28,861 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:29,159 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:29,161 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:29,457 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:29,458 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:29,759 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:29,760 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:30,061 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:30,063 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:30,381 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:30,382 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:30,693 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:30,694 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:31,009 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:31,010 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:31,330 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:31,332 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:31,651 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:31,653 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:31,986 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:31,987 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:32,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:32,320 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:32,654 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:32,655 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:33,014 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:33,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:33,356 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:33,357 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:33,698 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:33,700 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:34,050 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:34,052 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:34,403 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:34,405 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:34,763 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:34,765 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:35,122 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:35,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:35,480 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:35,481 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:35,839 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:35,841 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:36,202 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:27:36,204 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:27:36,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:27:36,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:27:37,216 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 21:27:37,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [705553080] [2021-02-21 21:27:37,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:27:37,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [109] imperfect sequences [] total 109 [2021-02-21 21:27:37,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047282933] [2021-02-21 21:27:37,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 109 states [2021-02-21 21:27:37,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:27:37,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2021-02-21 21:27:37,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2919, Invalid=8853, Unknown=0, NotChecked=0, Total=11772 [2021-02-21 21:27:37,218 INFO L87 Difference]: Start difference. First operand 364 states and 369 transitions. Second operand 109 states. [2021-02-21 21:27:38,502 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-21 21:28:09,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:28:09,628 INFO L93 Difference]: Finished difference Result 411 states and 421 transitions. [2021-02-21 21:28:09,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-02-21 21:28:09,631 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 353 [2021-02-21 21:28:09,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:28:09,634 INFO L225 Difference]: With dead ends: 411 [2021-02-21 21:28:09,634 INFO L226 Difference]: Without dead ends: 374 [2021-02-21 21:28:09,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8418 ImplicationChecksByTransitivity, 51.0s TimeCoverageRelationStatistics Valid=14009, Invalid=32001, Unknown=0, NotChecked=0, Total=46010 [2021-02-21 21:28:09,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-02-21 21:28:09,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 370. [2021-02-21 21:28:09,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2021-02-21 21:28:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 375 transitions. [2021-02-21 21:28:09,706 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 375 transitions. Word has length 353 [2021-02-21 21:28:09,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:28:09,706 INFO L480 AbstractCegarLoop]: Abstraction has 370 states and 375 transitions. [2021-02-21 21:28:09,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 109 states. [2021-02-21 21:28:09,707 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 375 transitions. [2021-02-21 21:28:09,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-02-21 21:28:09,708 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:28:09,708 INFO L422 BasicCegarLoop]: trace histogram [52, 52, 52, 52, 52, 52, 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 21:28:09,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-02-21 21:28:09,708 INFO L428 AbstractCegarLoop]: === Iteration 55 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:28:09,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:28:09,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1737277408, now seen corresponding path program 52 times [2021-02-21 21:28:09,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:28:09,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [986444468] [2021-02-21 21:28:09,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:28:09,725 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:28:09,726 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:28:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:28:09,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:28:09,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:28:09,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:28:09,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:28:09,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:28:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:28:09,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:28:09,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:28:09,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:28:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:28:10,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:28:10,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:28:10,103 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:28:10,104 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:28:10,131 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:10,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:10,195 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:10,197 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:10,260 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:10,262 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:10,329 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:10,331 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:10,403 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:10,404 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 21:28:10,478 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:10,554 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:10,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:10,638 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:10,639 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:10,724 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:10,726 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:10,813 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:10,815 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:10,902 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:10,904 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:10,997 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:10,999 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:11,091 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:11,093 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:11,192 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:11,194 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:11,299 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:11,300 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:11,404 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:11,406 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:11,516 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:11,518 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:11,628 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:11,629 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:11,745 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:11,746 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:11,869 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:11,870 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:11,992 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:11,994 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:12,119 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:12,121 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:12,247 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:12,249 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:12,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:12,381 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:12,517 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:12,518 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:12,653 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:12,655 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:12,790 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:12,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:12,938 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:12,939 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:13,085 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:13,086 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:13,235 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:13,237 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:13,388 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:13,389 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:13,562 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:13,564 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:13,723 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:13,724 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:13,888 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:13,889 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:14,053 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:14,055 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:14,221 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:14,222 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:14,394 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:14,396 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:14,576 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:14,578 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:14,758 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:14,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:14,943 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:14,945 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:15,132 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:15,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:15,319 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:15,320 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:15,509 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:15,511 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:15,703 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:15,705 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:15,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:15,901 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:16,102 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:16,104 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:16,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:16,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:16,510 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:16,512 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:16,719 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:16,720 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:16,932 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:16,934 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:17,149 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:17,150 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:17,369 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:17,371 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:17,589 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:17,591 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:17,819 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:17,820 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:18,045 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:18,047 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:18,281 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:18,283 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:18,533 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:18,535 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:18,773 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:18,774 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:19,018 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:19,020 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:19,266 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:19,268 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:19,512 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:19,514 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:19,760 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:19,762 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:20,015 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:20,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:20,278 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:20,280 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:20,544 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:20,546 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:20,808 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:20,810 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:21,078 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:21,079 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:21,345 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:21,347 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:21,622 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:21,624 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:21,893 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:21,895 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:22,176 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:22,178 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:22,457 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:22,459 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:22,747 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:22,749 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:23,045 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:23,047 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:23,342 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:23,344 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:23,655 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:23,657 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:23,953 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:23,955 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:24,260 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:24,262 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:24,571 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:24,572 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:24,880 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:24,882 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:25,191 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:25,192 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:25,508 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:25,510 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:25,836 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:25,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:26,161 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:26,162 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:26,491 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:26,492 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:26,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:26,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:27,158 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:27,160 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:27,496 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:27,498 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:27,838 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:27,840 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:28,183 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:28,185 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:28,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:28,549 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:28,901 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:28,903 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:29,258 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:29,260 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:29,610 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:29,612 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:29,969 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:29,970 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:30,339 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:30,341 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:30,716 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:30,718 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:31,088 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:31,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:31,462 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:31,463 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:31,838 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:31,840 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:32,212 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:32,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:32,594 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:32,596 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:32,987 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:32,989 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:33,395 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:33,396 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:33,790 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:28:33,791 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:28:34,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:28:34,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:28:34,842 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 21:28:34,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [986444468] [2021-02-21 21:28:34,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:28:34,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [111] imperfect sequences [] total 111 [2021-02-21 21:28:34,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274875815] [2021-02-21 21:28:34,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 111 states [2021-02-21 21:28:34,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:28:34,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2021-02-21 21:28:34,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3028, Invalid=9182, Unknown=0, NotChecked=0, Total=12210 [2021-02-21 21:28:34,845 INFO L87 Difference]: Start difference. First operand 370 states and 375 transitions. Second operand 111 states. [2021-02-21 21:28:37,234 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-21 21:29:12,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:29:12,615 INFO L93 Difference]: Finished difference Result 417 states and 427 transitions. [2021-02-21 21:29:12,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-02-21 21:29:12,619 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 359 [2021-02-21 21:29:12,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:29:12,621 INFO L225 Difference]: With dead ends: 417 [2021-02-21 21:29:12,621 INFO L226 Difference]: Without dead ends: 380 [2021-02-21 21:29:12,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8739 ImplicationChecksByTransitivity, 56.1s TimeCoverageRelationStatistics Valid=14543, Invalid=33199, Unknown=0, NotChecked=0, Total=47742 [2021-02-21 21:29:12,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2021-02-21 21:29:12,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2021-02-21 21:29:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2021-02-21 21:29:12,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 381 transitions. [2021-02-21 21:29:12,711 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 381 transitions. Word has length 359 [2021-02-21 21:29:12,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:29:12,711 INFO L480 AbstractCegarLoop]: Abstraction has 376 states and 381 transitions. [2021-02-21 21:29:12,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has 111 states. [2021-02-21 21:29:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 381 transitions. [2021-02-21 21:29:12,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-02-21 21:29:12,713 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:29:12,713 INFO L422 BasicCegarLoop]: trace histogram [53, 53, 53, 53, 53, 53, 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 21:29:12,713 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-02-21 21:29:12,713 INFO L428 AbstractCegarLoop]: === Iteration 56 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:29:12,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:29:12,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1132179396, now seen corresponding path program 53 times [2021-02-21 21:29:12,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:29:12,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1668889266] [2021-02-21 21:29:12,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:29:12,728 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:29:12,729 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:29:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:29:12,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:29:12,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:29:12,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:29:12,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:29:12,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:29:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:29:12,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:29:12,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:29:12,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 21:29:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:29:13,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:29:13,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:29:13,112 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 21:29:13,113 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 21:29:13,143 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:13,145 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:13,207 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:13,208 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:13,278 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:13,280 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:13,354 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:13,356 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:13,433 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:13,435 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:13,513 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:13,515 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:13,598 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:13,600 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:13,682 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:13,684 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:13,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:13,775 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:13,873 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:13,874 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:13,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:13,974 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:14,073 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:14,075 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:14,176 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:14,178 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:14,282 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:14,283 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:14,394 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:14,395 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:14,509 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:14,510 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:14,630 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:14,631 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:14,752 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:14,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:14,874 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:14,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:15,004 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:15,006 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:15,137 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:15,138 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:15,276 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:15,277 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:15,413 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:15,414 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:15,551 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:15,553 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:15,696 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:15,698 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:15,840 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:15,842 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:15,990 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:15,991 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:16,141 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:16,142 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:16,299 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:16,301 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:16,463 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:16,464 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:16,644 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:16,645 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:16,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:16,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-21 21:29:16,982 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-21 21:29:16,984 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16