/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 18:46:35,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 18:46:35,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 18:46:35,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 18:46:35,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 18:46:35,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 18:46:35,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 18:46:35,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 18:46:35,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 18:46:35,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 18:46:35,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 18:46:35,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 18:46:35,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 18:46:35,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 18:46:35,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 18:46:35,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 18:46:35,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 18:46:35,268 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 18:46:35,295 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 18:46:35,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 18:46:35,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 18:46:35,301 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 18:46:35,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 18:46:35,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 18:46:35,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 18:46:35,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 18:46:35,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 18:46:35,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 18:46:35,303 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 18:46:35,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 18:46:35,303 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 18:46:35,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 18:46:35,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 18:46:35,304 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 18:46:35,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 18:46:35,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 18:46:35,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 18:46:35,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 18:46:35,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 18:46:35,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 18:46:35,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 18:46:35,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 18:46:35,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 18:46:35,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 18:46:35,747 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 18:46:35,748 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 18:46:35,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i [2021-02-23 18:46:35,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f12154d4/30a4d24ab4b444b6acecdccbe3780eaa/FLAG078177817 [2021-02-23 18:46:36,577 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 18:46:36,578 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i [2021-02-23 18:46:36,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f12154d4/30a4d24ab4b444b6acecdccbe3780eaa/FLAG078177817 [2021-02-23 18:46:36,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f12154d4/30a4d24ab4b444b6acecdccbe3780eaa [2021-02-23 18:46:36,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 18:46:36,978 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 18:46:36,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 18:46:36,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 18:46:36,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 18:46:36,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:46:36" (1/1) ... [2021-02-23 18:46:36,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e1a867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:46:36, skipping insertion in model container [2021-02-23 18:46:36,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:46:36" (1/1) ... [2021-02-23 18:46:37,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 18:46:37,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 18:46:37,171 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i[959,972] [2021-02-23 18:46:37,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 18:46:37,199 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 18:46:37,213 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i[959,972] [2021-02-23 18:46:37,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 18:46:37,239 INFO L208 MainTranslator]: Completed translation [2021-02-23 18:46:37,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:46:37 WrapperNode [2021-02-23 18:46:37,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 18:46:37,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 18:46:37,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 18:46:37,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 18:46:37,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:46:37" (1/1) ... [2021-02-23 18:46:37,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:46:37" (1/1) ... [2021-02-23 18:46:37,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:46:37" (1/1) ... [2021-02-23 18:46:37,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:46:37" (1/1) ... [2021-02-23 18:46:37,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:46:37" (1/1) ... [2021-02-23 18:46:37,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:46:37" (1/1) ... [2021-02-23 18:46:37,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:46:37" (1/1) ... [2021-02-23 18:46:37,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 18:46:37,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 18:46:37,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 18:46:37,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 18:46:37,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:46:37" (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 [2021-02-23 18:46:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 18:46:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 18:46:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 18:46:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-23 18:46:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2021-02-23 18:46:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 18:46:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 18:46:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 18:46:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 18:46:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 18:46:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 18:46:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 18:46:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 18:46:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-23 18:46:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure init [2021-02-23 18:46:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 18:46:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 18:46:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 18:46:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 18:46:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 18:46:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 18:46:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 18:46:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 18:46:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 18:46:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 18:46:37,809 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 18:46:37,809 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-02-23 18:46:37,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:46:37 BoogieIcfgContainer [2021-02-23 18:46:37,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 18:46:37,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 18:46:37,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 18:46:37,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 18:46:37,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 06:46:36" (1/3) ... [2021-02-23 18:46:37,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72074751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:46:37, skipping insertion in model container [2021-02-23 18:46:37,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:46:37" (2/3) ... [2021-02-23 18:46:37,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72074751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:46:37, skipping insertion in model container [2021-02-23 18:46:37,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:46:37" (3/3) ... [2021-02-23 18:46:37,822 INFO L111 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_flag_init.i [2021-02-23 18:46:37,830 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 18:46:37,836 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 18:46:37,856 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 18:46:37,884 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 18:46:37,884 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 18:46:37,884 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 18:46:37,885 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 18:46:37,885 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 18:46:37,885 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 18:46:37,885 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 18:46:37,885 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 18:46:37,904 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2021-02-23 18:46:37,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-23 18:46:37,915 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:37,916 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] [2021-02-23 18:46:37,917 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:37,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:37,924 INFO L82 PathProgramCache]: Analyzing trace with hash -351077520, now seen corresponding path program 1 times [2021-02-23 18:46:37,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:37,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339087353] [2021-02-23 18:46:37,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:38,020 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:38,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:38,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:38,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:38,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:46:38,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:38,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:38,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:38,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:38,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:38,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:38,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:38,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:38,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:38,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339087353] [2021-02-23 18:46:38,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:38,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 18:46:38,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89403434] [2021-02-23 18:46:38,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 18:46:38,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:38,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 18:46:38,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-23 18:46:38,403 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 5 states. [2021-02-23 18:46:38,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:38,831 INFO L93 Difference]: Finished difference Result 114 states and 139 transitions. [2021-02-23 18:46:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 18:46:38,834 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-02-23 18:46:38,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:38,848 INFO L225 Difference]: With dead ends: 114 [2021-02-23 18:46:38,849 INFO L226 Difference]: Without dead ends: 72 [2021-02-23 18:46:38,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-23 18:46:38,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-02-23 18:46:38,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 54. [2021-02-23 18:46:38,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-02-23 18:46:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2021-02-23 18:46:38,957 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 33 [2021-02-23 18:46:38,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:38,958 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2021-02-23 18:46:38,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 18:46:38,958 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2021-02-23 18:46:38,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-02-23 18:46:38,960 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:38,960 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] [2021-02-23 18:46:38,961 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 18:46:38,961 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:38,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:38,962 INFO L82 PathProgramCache]: Analyzing trace with hash -878173048, now seen corresponding path program 1 times [2021-02-23 18:46:38,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:38,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [536494908] [2021-02-23 18:46:38,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:38,993 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:38,996 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:39,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:39,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:39,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:39,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:46:39,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:39,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:46:39,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:39,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:46:39,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:39,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:39,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:39,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:39,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:39,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:39,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:39,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:39,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [536494908] [2021-02-23 18:46:39,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:39,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 18:46:39,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211699795] [2021-02-23 18:46:39,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 18:46:39,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:39,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 18:46:39,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-23 18:46:39,177 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 7 states. [2021-02-23 18:46:39,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:39,514 INFO L93 Difference]: Finished difference Result 96 states and 107 transitions. [2021-02-23 18:46:39,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 18:46:39,516 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2021-02-23 18:46:39,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:39,525 INFO L225 Difference]: With dead ends: 96 [2021-02-23 18:46:39,525 INFO L226 Difference]: Without dead ends: 81 [2021-02-23 18:46:39,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-02-23 18:46:39,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-02-23 18:46:39,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 63. [2021-02-23 18:46:39,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-02-23 18:46:39,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2021-02-23 18:46:39,557 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 40 [2021-02-23 18:46:39,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:39,558 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions. [2021-02-23 18:46:39,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 18:46:39,558 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2021-02-23 18:46:39,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-23 18:46:39,562 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:39,563 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] [2021-02-23 18:46:39,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 18:46:39,563 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:39,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:39,564 INFO L82 PathProgramCache]: Analyzing trace with hash -692121488, now seen corresponding path program 2 times [2021-02-23 18:46:39,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:39,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1498019171] [2021-02-23 18:46:39,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:39,580 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:39,585 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:39,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:39,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:39,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:39,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:39,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:39,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:39,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:39,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:39,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:39,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:39,723 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:46:39,724 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:46:39,736 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:39,737 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:39,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:39,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:46:39,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:39,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1498019171] [2021-02-23 18:46:39,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:39,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 18:46:39,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271533230] [2021-02-23 18:46:39,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 18:46:39,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:39,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 18:46:39,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-23 18:46:39,777 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand 7 states. [2021-02-23 18:46:40,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:40,109 INFO L93 Difference]: Finished difference Result 105 states and 115 transitions. [2021-02-23 18:46:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 18:46:40,110 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2021-02-23 18:46:40,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:40,111 INFO L225 Difference]: With dead ends: 105 [2021-02-23 18:46:40,112 INFO L226 Difference]: Without dead ends: 68 [2021-02-23 18:46:40,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-02-23 18:46:40,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-02-23 18:46:40,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2021-02-23 18:46:40,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-02-23 18:46:40,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2021-02-23 18:46:40,123 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 47 [2021-02-23 18:46:40,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:40,123 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2021-02-23 18:46:40,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 18:46:40,124 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2021-02-23 18:46:40,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-02-23 18:46:40,125 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:40,125 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] [2021-02-23 18:46:40,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 18:46:40,126 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:40,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:40,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1856414860, now seen corresponding path program 1 times [2021-02-23 18:46:40,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:40,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1846640363] [2021-02-23 18:46:40,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:40,137 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:40,138 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:40,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:40,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:40,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:40,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:40,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:40,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:40,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:40,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:40,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:40,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:40,244 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:46:40,245 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:46:40,255 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:40,256 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:40,274 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:40,275 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:40,293 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:40,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:40,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:40,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:46:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:40,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1846640363] [2021-02-23 18:46:40,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:40,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 18:46:40,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166554599] [2021-02-23 18:46:40,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 18:46:40,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:40,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 18:46:40,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-02-23 18:46:40,332 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 9 states. [2021-02-23 18:46:40,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:40,663 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2021-02-23 18:46:40,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 18:46:40,664 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2021-02-23 18:46:40,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:40,665 INFO L225 Difference]: With dead ends: 111 [2021-02-23 18:46:40,665 INFO L226 Difference]: Without dead ends: 74 [2021-02-23 18:46:40,666 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 [2021-02-23 18:46:40,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-02-23 18:46:40,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2021-02-23 18:46:40,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2021-02-23 18:46:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 75 transitions. [2021-02-23 18:46:40,677 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 75 transitions. Word has length 53 [2021-02-23 18:46:40,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:40,677 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 75 transitions. [2021-02-23 18:46:40,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 18:46:40,678 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2021-02-23 18:46:40,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-23 18:46:40,679 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:40,679 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] [2021-02-23 18:46:40,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 18:46:40,680 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:40,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:40,680 INFO L82 PathProgramCache]: Analyzing trace with hash 549303208, now seen corresponding path program 2 times [2021-02-23 18:46:40,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:40,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889325769] [2021-02-23 18:46:40,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:40,693 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:40,695 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:40,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:40,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:40,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:40,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:40,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:40,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:40,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:40,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:40,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:40,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:40,798 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:46:40,799 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:46:40,807 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:40,808 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:40,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:40,826 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:40,844 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:40,845 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:40,865 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:40,867 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:40,886 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:40,888 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:40,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:40,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:46:40,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:40,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889325769] [2021-02-23 18:46:40,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:40,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-23 18:46:40,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758349066] [2021-02-23 18:46:40,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 18:46:40,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:40,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 18:46:40,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-02-23 18:46:40,928 INFO L87 Difference]: Start difference. First operand 70 states and 75 transitions. Second operand 11 states. [2021-02-23 18:46:41,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:41,304 INFO L93 Difference]: Finished difference Result 117 states and 127 transitions. [2021-02-23 18:46:41,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 18:46:41,304 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2021-02-23 18:46:41,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:41,307 INFO L225 Difference]: With dead ends: 117 [2021-02-23 18:46:41,307 INFO L226 Difference]: Without dead ends: 80 [2021-02-23 18:46:41,308 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 [2021-02-23 18:46:41,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-02-23 18:46:41,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2021-02-23 18:46:41,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-23 18:46:41,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2021-02-23 18:46:41,335 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 59 [2021-02-23 18:46:41,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:41,336 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2021-02-23 18:46:41,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 18:46:41,337 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2021-02-23 18:46:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-02-23 18:46:41,339 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:41,339 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] [2021-02-23 18:46:41,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 18:46:41,340 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:41,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:41,340 INFO L82 PathProgramCache]: Analyzing trace with hash -331612732, now seen corresponding path program 3 times [2021-02-23 18:46:41,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:41,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577695671] [2021-02-23 18:46:41,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:41,355 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:41,356 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:41,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:41,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:41,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:41,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:41,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:41,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:41,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:41,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:41,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:41,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:41,467 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:46:41,468 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:46:41,476 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:41,477 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:41,492 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:41,493 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:41,510 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:41,511 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:41,528 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:41,529 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:41,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:41,548 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:41,569 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:41,570 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:41,591 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:41,592 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:41,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:41,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:46:41,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:41,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577695671] [2021-02-23 18:46:41,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:41,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-23 18:46:41,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696755403] [2021-02-23 18:46:41,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 18:46:41,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:41,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 18:46:41,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-02-23 18:46:41,641 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand 13 states. [2021-02-23 18:46:42,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:42,081 INFO L93 Difference]: Finished difference Result 123 states and 133 transitions. [2021-02-23 18:46:42,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-23 18:46:42,082 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 65 [2021-02-23 18:46:42,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:42,083 INFO L225 Difference]: With dead ends: 123 [2021-02-23 18:46:42,083 INFO L226 Difference]: Without dead ends: 86 [2021-02-23 18:46:42,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2021-02-23 18:46:42,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-02-23 18:46:42,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82. [2021-02-23 18:46:42,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-02-23 18:46:42,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 87 transitions. [2021-02-23 18:46:42,097 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 87 transitions. Word has length 65 [2021-02-23 18:46:42,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:42,097 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 87 transitions. [2021-02-23 18:46:42,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 18:46:42,097 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2021-02-23 18:46:42,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-02-23 18:46:42,098 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:42,099 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] [2021-02-23 18:46:42,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 18:46:42,099 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:42,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:42,100 INFO L82 PathProgramCache]: Analyzing trace with hash -141999392, now seen corresponding path program 4 times [2021-02-23 18:46:42,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:42,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431922439] [2021-02-23 18:46:42,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:42,111 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:42,112 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:42,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:42,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:42,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:42,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:42,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:42,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:42,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:42,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:42,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:42,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:42,218 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:46:42,219 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:46:42,227 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:42,228 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:42,242 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:42,242 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:42,257 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:42,258 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:42,274 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:42,275 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:42,292 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:42,293 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:42,311 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:42,313 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:42,332 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:42,333 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:42,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:42,376 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:42,400 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:42,403 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:42,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:42,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:46:42,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:42,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431922439] [2021-02-23 18:46:42,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:42,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-23 18:46:42,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494410237] [2021-02-23 18:46:42,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-23 18:46:42,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:42,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-23 18:46:42,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-02-23 18:46:42,462 INFO L87 Difference]: Start difference. First operand 82 states and 87 transitions. Second operand 15 states. [2021-02-23 18:46:42,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:42,947 INFO L93 Difference]: Finished difference Result 129 states and 139 transitions. [2021-02-23 18:46:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-23 18:46:42,947 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 71 [2021-02-23 18:46:42,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:42,951 INFO L225 Difference]: With dead ends: 129 [2021-02-23 18:46:42,951 INFO L226 Difference]: Without dead ends: 92 [2021-02-23 18:46:42,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=191, Invalid=511, Unknown=0, NotChecked=0, Total=702 [2021-02-23 18:46:42,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-02-23 18:46:42,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 88. [2021-02-23 18:46:42,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2021-02-23 18:46:42,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 93 transitions. [2021-02-23 18:46:42,970 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 93 transitions. Word has length 71 [2021-02-23 18:46:42,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:42,970 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 93 transitions. [2021-02-23 18:46:42,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-23 18:46:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2021-02-23 18:46:42,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-02-23 18:46:42,975 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:42,975 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] [2021-02-23 18:46:42,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 18:46:42,976 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:42,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:42,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1815954172, now seen corresponding path program 5 times [2021-02-23 18:46:42,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:42,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010450761] [2021-02-23 18:46:42,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:42,992 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:42,994 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:43,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:43,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:43,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:43,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:43,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:43,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:43,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:43,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:43,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:43,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:43,168 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:46:43,173 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:46:43,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:43,182 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:43,198 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:43,201 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:43,217 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:43,219 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:43,240 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:43,241 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:43,261 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:43,261 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:43,289 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:43,290 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:43,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:43,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:43,330 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:43,331 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:43,352 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:43,354 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:43,378 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:43,379 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:43,402 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:43,403 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:43,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:43,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:46:43,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:43,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010450761] [2021-02-23 18:46:43,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:43,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-23 18:46:43,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885827757] [2021-02-23 18:46:43,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-23 18:46:43,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:43,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-23 18:46:43,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2021-02-23 18:46:43,460 INFO L87 Difference]: Start difference. First operand 88 states and 93 transitions. Second operand 17 states. [2021-02-23 18:46:44,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:44,093 INFO L93 Difference]: Finished difference Result 135 states and 145 transitions. [2021-02-23 18:46:44,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-23 18:46:44,094 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 77 [2021-02-23 18:46:44,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:44,095 INFO L225 Difference]: With dead ends: 135 [2021-02-23 18:46:44,095 INFO L226 Difference]: Without dead ends: 98 [2021-02-23 18:46:44,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2021-02-23 18:46:44,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-02-23 18:46:44,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2021-02-23 18:46:44,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-02-23 18:46:44,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 99 transitions. [2021-02-23 18:46:44,109 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 99 transitions. Word has length 77 [2021-02-23 18:46:44,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:44,109 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 99 transitions. [2021-02-23 18:46:44,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-23 18:46:44,109 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2021-02-23 18:46:44,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-02-23 18:46:44,110 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:44,111 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] [2021-02-23 18:46:44,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 18:46:44,111 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:44,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:44,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1394589208, now seen corresponding path program 6 times [2021-02-23 18:46:44,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:44,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1013938290] [2021-02-23 18:46:44,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:44,122 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:44,124 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:44,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:44,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:44,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:44,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:44,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:44,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:44,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:44,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:44,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:44,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:44,233 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:46:44,234 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:46:44,246 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:44,251 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:44,265 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:44,265 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:44,281 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:44,290 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:44,306 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:44,307 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:44,324 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:44,325 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:44,343 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:44,344 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:44,365 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:44,371 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:44,392 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:44,395 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:44,416 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:44,417 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:44,439 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:44,440 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:44,463 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:44,467 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:44,491 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:44,491 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:44,515 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:44,516 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:44,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:44,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:46:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:44,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1013938290] [2021-02-23 18:46:44,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:44,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-02-23 18:46:44,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293398804] [2021-02-23 18:46:44,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-23 18:46:44,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:44,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-23 18:46:44,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2021-02-23 18:46:44,606 INFO L87 Difference]: Start difference. First operand 94 states and 99 transitions. Second operand 19 states. [2021-02-23 18:46:45,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:45,299 INFO L93 Difference]: Finished difference Result 141 states and 151 transitions. [2021-02-23 18:46:45,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-23 18:46:45,299 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 83 [2021-02-23 18:46:45,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:45,300 INFO L225 Difference]: With dead ends: 141 [2021-02-23 18:46:45,301 INFO L226 Difference]: Without dead ends: 104 [2021-02-23 18:46:45,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=329, Invalid=861, Unknown=0, NotChecked=0, Total=1190 [2021-02-23 18:46:45,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-02-23 18:46:45,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2021-02-23 18:46:45,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-02-23 18:46:45,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 105 transitions. [2021-02-23 18:46:45,318 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 105 transitions. Word has length 83 [2021-02-23 18:46:45,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:45,319 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 105 transitions. [2021-02-23 18:46:45,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-23 18:46:45,319 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2021-02-23 18:46:45,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-02-23 18:46:45,320 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:45,320 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] [2021-02-23 18:46:45,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 18:46:45,321 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:45,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:45,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1881699380, now seen corresponding path program 7 times [2021-02-23 18:46:45,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:45,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1710590093] [2021-02-23 18:46:45,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:45,333 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:45,335 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:45,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:45,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:45,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:45,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:45,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:45,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:45,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:45,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:45,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:45,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:45,456 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:46:45,457 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:46:45,465 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:45,466 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:45,481 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:45,482 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:45,499 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:45,502 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:45,518 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:45,519 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:45,537 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:45,539 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:45,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:45,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:45,578 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:45,578 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:45,601 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:45,602 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:45,623 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:45,624 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:45,652 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:45,653 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:45,679 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:45,681 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:45,716 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:45,716 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:45,744 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:45,746 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:45,777 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:45,780 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:45,806 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:45,807 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:45,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:45,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:46:45,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:45,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1710590093] [2021-02-23 18:46:45,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:45,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-02-23 18:46:45,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486168142] [2021-02-23 18:46:45,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-23 18:46:45,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:45,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-23 18:46:45,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2021-02-23 18:46:45,880 INFO L87 Difference]: Start difference. First operand 100 states and 105 transitions. Second operand 21 states. [2021-02-23 18:46:46,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:46,651 INFO L93 Difference]: Finished difference Result 147 states and 157 transitions. [2021-02-23 18:46:46,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-23 18:46:46,652 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 89 [2021-02-23 18:46:46,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:46,653 INFO L225 Difference]: With dead ends: 147 [2021-02-23 18:46:46,653 INFO L226 Difference]: Without dead ends: 110 [2021-02-23 18:46:46,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=413, Invalid=1069, Unknown=0, NotChecked=0, Total=1482 [2021-02-23 18:46:46,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-02-23 18:46:46,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2021-02-23 18:46:46,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-02-23 18:46:46,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 111 transitions. [2021-02-23 18:46:46,670 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 111 transitions. Word has length 89 [2021-02-23 18:46:46,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:46,670 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 111 transitions. [2021-02-23 18:46:46,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2021-02-23 18:46:46,670 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2021-02-23 18:46:46,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-02-23 18:46:46,671 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:46,672 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] [2021-02-23 18:46:46,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 18:46:46,672 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:46,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:46,673 INFO L82 PathProgramCache]: Analyzing trace with hash 511649104, now seen corresponding path program 8 times [2021-02-23 18:46:46,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:46,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701314463] [2021-02-23 18:46:46,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:46,683 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:46,685 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:46,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:46,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:46,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:46,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:46,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:46,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:46,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:46,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:46,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:46,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:46,798 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:46:46,799 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:46:46,806 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:46,807 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:46,820 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:46,821 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:46,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:46,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:46,851 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:46,852 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:46,868 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:46,869 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:46,886 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:46,887 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:46,904 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:46,906 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:46,926 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:46,927 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:46,971 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:46,972 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:46,994 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:46,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:47,017 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:47,018 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:47,041 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:47,042 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:47,066 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:47,067 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:47,091 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:47,092 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:47,117 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:47,118 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:47,147 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:47,148 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:47,175 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:47,176 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:47,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:47,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:46:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:47,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701314463] [2021-02-23 18:46:47,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:47,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-02-23 18:46:47,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625834417] [2021-02-23 18:46:47,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-23 18:46:47,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:47,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-23 18:46:47,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2021-02-23 18:46:47,251 INFO L87 Difference]: Start difference. First operand 106 states and 111 transitions. Second operand 23 states. [2021-02-23 18:46:48,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:48,070 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2021-02-23 18:46:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-23 18:46:48,070 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 95 [2021-02-23 18:46:48,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:48,072 INFO L225 Difference]: With dead ends: 153 [2021-02-23 18:46:48,072 INFO L226 Difference]: Without dead ends: 116 [2021-02-23 18:46:48,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=507, Invalid=1299, Unknown=0, NotChecked=0, Total=1806 [2021-02-23 18:46:48,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-02-23 18:46:48,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 112. [2021-02-23 18:46:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-02-23 18:46:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 117 transitions. [2021-02-23 18:46:48,092 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 117 transitions. Word has length 95 [2021-02-23 18:46:48,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:48,092 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 117 transitions. [2021-02-23 18:46:48,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-02-23 18:46:48,092 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 117 transitions. [2021-02-23 18:46:48,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-02-23 18:46:48,093 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:48,093 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] [2021-02-23 18:46:48,094 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 18:46:48,094 INFO L428 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:48,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:48,094 INFO L82 PathProgramCache]: Analyzing trace with hash 746295660, now seen corresponding path program 9 times [2021-02-23 18:46:48,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:48,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481174156] [2021-02-23 18:46:48,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:48,105 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:48,107 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:48,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:48,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:48,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:48,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:48,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:48,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:48,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:48,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:48,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:48,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:48,225 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:46:48,226 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:46:48,233 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,234 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,248 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,251 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,265 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,266 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,281 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,282 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,297 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,314 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,314 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,331 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,331 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,351 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,352 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,373 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,374 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,393 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,393 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,416 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,417 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,442 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,442 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,469 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,470 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,516 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,523 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,590 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,592 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,627 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,628 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,665 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,668 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,707 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:48,708 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:48,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:48,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:46:48,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:48,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481174156] [2021-02-23 18:46:48,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:48,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-02-23 18:46:48,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399789125] [2021-02-23 18:46:48,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-23 18:46:48,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:48,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-23 18:46:48,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2021-02-23 18:46:48,810 INFO L87 Difference]: Start difference. First operand 112 states and 117 transitions. Second operand 25 states. [2021-02-23 18:46:49,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:49,755 INFO L93 Difference]: Finished difference Result 159 states and 169 transitions. [2021-02-23 18:46:49,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-23 18:46:49,755 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 101 [2021-02-23 18:46:49,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:49,756 INFO L225 Difference]: With dead ends: 159 [2021-02-23 18:46:49,756 INFO L226 Difference]: Without dead ends: 122 [2021-02-23 18:46:49,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=611, Invalid=1551, Unknown=0, NotChecked=0, Total=2162 [2021-02-23 18:46:49,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-02-23 18:46:49,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 118. [2021-02-23 18:46:49,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-02-23 18:46:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 123 transitions. [2021-02-23 18:46:49,773 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 123 transitions. Word has length 101 [2021-02-23 18:46:49,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:49,773 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 123 transitions. [2021-02-23 18:46:49,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2021-02-23 18:46:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2021-02-23 18:46:49,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-02-23 18:46:49,774 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:49,775 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] [2021-02-23 18:46:49,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-23 18:46:49,775 INFO L428 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:49,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:49,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1213892472, now seen corresponding path program 10 times [2021-02-23 18:46:49,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:49,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079340143] [2021-02-23 18:46:49,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:49,789 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:49,790 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:49,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:49,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:49,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:49,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:49,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:49,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:49,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:49,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:49,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:49,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:49,915 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:46:49,915 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:46:49,923 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:49,924 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:49,938 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:49,941 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:49,954 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:49,955 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:49,970 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:49,971 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:49,986 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:49,987 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,007 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,008 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,032 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,033 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,056 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,057 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,079 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,109 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,110 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,133 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,134 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,170 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,199 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,199 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,232 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,232 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,265 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,267 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,306 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,307 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,341 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,343 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,384 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,385 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,421 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,459 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,460 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,503 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:50,503 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:50,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:50,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:46:50,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:50,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079340143] [2021-02-23 18:46:50,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:50,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-02-23 18:46:50,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684162658] [2021-02-23 18:46:50,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-02-23 18:46:50,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:50,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-02-23 18:46:50,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2021-02-23 18:46:50,628 INFO L87 Difference]: Start difference. First operand 118 states and 123 transitions. Second operand 27 states. [2021-02-23 18:46:51,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:51,610 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2021-02-23 18:46:51,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-23 18:46:51,610 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 107 [2021-02-23 18:46:51,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:51,611 INFO L225 Difference]: With dead ends: 165 [2021-02-23 18:46:51,612 INFO L226 Difference]: Without dead ends: 128 [2021-02-23 18:46:51,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=725, Invalid=1825, Unknown=0, NotChecked=0, Total=2550 [2021-02-23 18:46:51,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-02-23 18:46:51,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2021-02-23 18:46:51,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2021-02-23 18:46:51,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 129 transitions. [2021-02-23 18:46:51,630 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 129 transitions. Word has length 107 [2021-02-23 18:46:51,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:51,630 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 129 transitions. [2021-02-23 18:46:51,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2021-02-23 18:46:51,631 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2021-02-23 18:46:51,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-02-23 18:46:51,632 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:51,632 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] [2021-02-23 18:46:51,632 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-23 18:46:51,632 INFO L428 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:51,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:51,633 INFO L82 PathProgramCache]: Analyzing trace with hash 146053796, now seen corresponding path program 11 times [2021-02-23 18:46:51,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:51,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805811959] [2021-02-23 18:46:51,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:51,645 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:51,648 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:51,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:51,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:51,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:51,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:51,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:51,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:51,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:51,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:51,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:51,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:51,825 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:46:51,825 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:46:51,833 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:51,833 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:51,847 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:51,848 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:51,862 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:51,863 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:51,880 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:51,880 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:51,897 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:51,897 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:51,915 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:51,916 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:51,935 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:51,935 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:51,956 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:51,957 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:51,978 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:51,978 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:52,000 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:52,001 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:52,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:52,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:52,046 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:52,047 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:52,072 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:52,073 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:52,098 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:52,099 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:52,126 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:52,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:52,154 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:52,155 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:52,180 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:52,181 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:52,209 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:52,210 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:52,237 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:52,238 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:52,268 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:52,268 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:52,298 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:52,299 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:52,330 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:52,331 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:52,363 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:52,364 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:52,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:52,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:46:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:52,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805811959] [2021-02-23 18:46:52,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:52,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-02-23 18:46:52,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261128823] [2021-02-23 18:46:52,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-02-23 18:46:52,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:52,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-02-23 18:46:52,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2021-02-23 18:46:52,478 INFO L87 Difference]: Start difference. First operand 124 states and 129 transitions. Second operand 29 states. [2021-02-23 18:46:53,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:53,835 INFO L93 Difference]: Finished difference Result 171 states and 181 transitions. [2021-02-23 18:46:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-02-23 18:46:53,836 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 113 [2021-02-23 18:46:53,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:53,838 INFO L225 Difference]: With dead ends: 171 [2021-02-23 18:46:53,838 INFO L226 Difference]: Without dead ends: 134 [2021-02-23 18:46:53,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=849, Invalid=2121, Unknown=0, NotChecked=0, Total=2970 [2021-02-23 18:46:53,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-02-23 18:46:53,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 130. [2021-02-23 18:46:53,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2021-02-23 18:46:53,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 135 transitions. [2021-02-23 18:46:53,858 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 135 transitions. Word has length 113 [2021-02-23 18:46:53,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:53,858 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 135 transitions. [2021-02-23 18:46:53,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2021-02-23 18:46:53,858 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2021-02-23 18:46:53,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-02-23 18:46:53,861 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:53,861 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] [2021-02-23 18:46:53,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-23 18:46:53,861 INFO L428 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:53,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:53,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1871755200, now seen corresponding path program 12 times [2021-02-23 18:46:53,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:53,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2068749759] [2021-02-23 18:46:53,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:53,873 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:53,876 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:53,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:53,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:53,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:53,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:53,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:53,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:53,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:53,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:54,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:54,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:54,056 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:46:54,057 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:46:54,064 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,064 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,077 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,091 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,091 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,106 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,107 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,122 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,122 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,138 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,139 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,156 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,156 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,175 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,176 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,204 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,246 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,246 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,270 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,298 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,299 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,329 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,331 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,362 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,393 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,395 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,429 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,430 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,465 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,466 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,502 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,502 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,544 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,545 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,581 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,584 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,622 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,622 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,663 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,664 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,710 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,711 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,754 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:54,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:54,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:54,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:46:54,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:54,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2068749759] [2021-02-23 18:46:54,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:54,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-02-23 18:46:54,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273400919] [2021-02-23 18:46:54,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-02-23 18:46:54,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:54,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-02-23 18:46:54,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2021-02-23 18:46:54,863 INFO L87 Difference]: Start difference. First operand 130 states and 135 transitions. Second operand 31 states. [2021-02-23 18:46:56,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:56,208 INFO L93 Difference]: Finished difference Result 177 states and 187 transitions. [2021-02-23 18:46:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-23 18:46:56,208 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 119 [2021-02-23 18:46:56,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:56,210 INFO L225 Difference]: With dead ends: 177 [2021-02-23 18:46:56,210 INFO L226 Difference]: Without dead ends: 140 [2021-02-23 18:46:56,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 579 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=983, Invalid=2439, Unknown=0, NotChecked=0, Total=3422 [2021-02-23 18:46:56,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-02-23 18:46:56,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2021-02-23 18:46:56,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-02-23 18:46:56,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 141 transitions. [2021-02-23 18:46:56,231 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 141 transitions. Word has length 119 [2021-02-23 18:46:56,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:56,231 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 141 transitions. [2021-02-23 18:46:56,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2021-02-23 18:46:56,231 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 141 transitions. [2021-02-23 18:46:56,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-02-23 18:46:56,232 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:56,232 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] [2021-02-23 18:46:56,233 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-23 18:46:56,233 INFO L428 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:56,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:56,233 INFO L82 PathProgramCache]: Analyzing trace with hash 525438940, now seen corresponding path program 13 times [2021-02-23 18:46:56,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:56,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [583483128] [2021-02-23 18:46:56,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:56,244 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:56,245 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:56,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:56,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:56,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:56,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:56,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:56,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:56,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:56,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:56,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:56,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:56,400 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:46:56,400 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:46:56,408 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,408 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,421 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,436 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,436 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,451 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,452 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,467 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,467 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,484 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,484 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,502 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,503 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,521 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,522 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,542 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,563 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,564 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,590 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,591 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,613 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,613 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,647 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,647 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,684 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,685 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,717 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,718 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,754 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,755 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,789 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,789 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,825 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,826 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,862 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,862 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,897 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,898 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,936 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:56,974 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:56,975 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:57,015 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:57,019 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:57,054 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:57,055 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:57,098 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:57,099 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:57,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:57,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:57,189 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:57,192 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:57,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:57,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:46:57,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:57,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [583483128] [2021-02-23 18:46:57,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:57,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-02-23 18:46:57,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707859935] [2021-02-23 18:46:57,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-02-23 18:46:57,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:57,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-02-23 18:46:57,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=797, Unknown=0, NotChecked=0, Total=1056 [2021-02-23 18:46:57,313 INFO L87 Difference]: Start difference. First operand 136 states and 141 transitions. Second operand 33 states. [2021-02-23 18:46:58,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:46:58,791 INFO L93 Difference]: Finished difference Result 183 states and 193 transitions. [2021-02-23 18:46:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-23 18:46:58,791 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 125 [2021-02-23 18:46:58,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:46:58,792 INFO L225 Difference]: With dead ends: 183 [2021-02-23 18:46:58,793 INFO L226 Difference]: Without dead ends: 146 [2021-02-23 18:46:58,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1127, Invalid=2779, Unknown=0, NotChecked=0, Total=3906 [2021-02-23 18:46:58,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-02-23 18:46:58,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 142. [2021-02-23 18:46:58,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2021-02-23 18:46:58,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 147 transitions. [2021-02-23 18:46:58,818 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 147 transitions. Word has length 125 [2021-02-23 18:46:58,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:46:58,818 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 147 transitions. [2021-02-23 18:46:58,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2021-02-23 18:46:58,819 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 147 transitions. [2021-02-23 18:46:58,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-02-23 18:46:58,820 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:46:58,820 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] [2021-02-23 18:46:58,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-02-23 18:46:58,820 INFO L428 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:46:58,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:46:58,821 INFO L82 PathProgramCache]: Analyzing trace with hash 171893496, now seen corresponding path program 14 times [2021-02-23 18:46:58,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:46:58,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102237677] [2021-02-23 18:46:58,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:46:58,833 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:46:58,834 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:46:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:58,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:58,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:58,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:58,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:58,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:46:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:58,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:58,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:58,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:46:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:46:58,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:58,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:46:58,979 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:46:58,979 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:46:58,986 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:58,987 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,000 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,001 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,019 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,020 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,040 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,069 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,069 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,087 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,088 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,107 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,107 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,126 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,147 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,148 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,173 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,174 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,201 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,202 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,236 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,236 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,259 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,259 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,289 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,290 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,320 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,321 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,352 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,353 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,385 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,386 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,421 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,459 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,460 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,496 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,497 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,535 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,536 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,576 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,576 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,617 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,618 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,657 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,658 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,703 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,705 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,746 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,784 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,785 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,827 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,828 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,877 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:46:59,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:46:59,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:46:59,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:46:59,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:46:59,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102237677] [2021-02-23 18:46:59,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:46:59,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-02-23 18:46:59,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747844507] [2021-02-23 18:46:59,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-02-23 18:46:59,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:46:59,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-02-23 18:46:59,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=898, Unknown=0, NotChecked=0, Total=1190 [2021-02-23 18:46:59,997 INFO L87 Difference]: Start difference. First operand 142 states and 147 transitions. Second operand 35 states. [2021-02-23 18:47:01,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:47:01,731 INFO L93 Difference]: Finished difference Result 189 states and 199 transitions. [2021-02-23 18:47:01,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-02-23 18:47:01,731 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 131 [2021-02-23 18:47:01,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:47:01,734 INFO L225 Difference]: With dead ends: 189 [2021-02-23 18:47:01,734 INFO L226 Difference]: Without dead ends: 152 [2021-02-23 18:47:01,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1281, Invalid=3141, Unknown=0, NotChecked=0, Total=4422 [2021-02-23 18:47:01,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-02-23 18:47:01,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 148. [2021-02-23 18:47:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2021-02-23 18:47:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 153 transitions. [2021-02-23 18:47:01,754 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 153 transitions. Word has length 131 [2021-02-23 18:47:01,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:47:01,754 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 153 transitions. [2021-02-23 18:47:01,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2021-02-23 18:47:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 153 transitions. [2021-02-23 18:47:01,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-02-23 18:47:01,756 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:47:01,756 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] [2021-02-23 18:47:01,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-02-23 18:47:01,756 INFO L428 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:47:01,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:47:01,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1110413036, now seen corresponding path program 15 times [2021-02-23 18:47:01,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:47:01,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1112988569] [2021-02-23 18:47:01,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:47:01,767 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:47:01,768 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:47:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:01,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:01,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:01,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:01,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:01,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:47:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:01,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:01,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:01,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:47:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:01,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:01,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:01,923 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:47:01,924 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:47:01,931 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:01,932 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:01,944 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:01,945 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:01,959 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:01,959 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:01,975 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:01,976 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:01,994 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:01,994 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,015 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,015 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,036 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,058 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,059 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,082 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,082 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,106 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,131 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,131 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,156 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,182 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,208 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,209 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,242 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,244 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,276 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,276 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,350 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,351 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,386 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,387 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,423 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,426 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,463 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,464 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,505 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,505 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,548 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,550 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,592 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,593 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,636 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,636 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,679 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,680 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,725 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,726 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,775 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,822 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,872 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,873 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,922 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:02,923 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:02,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:02,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:47:03,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:47:03,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1112988569] [2021-02-23 18:47:03,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:47:03,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-02-23 18:47:03,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724595256] [2021-02-23 18:47:03,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-02-23 18:47:03,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:47:03,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-02-23 18:47:03,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=1005, Unknown=0, NotChecked=0, Total=1332 [2021-02-23 18:47:03,058 INFO L87 Difference]: Start difference. First operand 148 states and 153 transitions. Second operand 37 states. [2021-02-23 18:47:04,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:47:04,782 INFO L93 Difference]: Finished difference Result 195 states and 205 transitions. [2021-02-23 18:47:04,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-02-23 18:47:04,783 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 137 [2021-02-23 18:47:04,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:47:04,785 INFO L225 Difference]: With dead ends: 195 [2021-02-23 18:47:04,785 INFO L226 Difference]: Without dead ends: 158 [2021-02-23 18:47:04,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1445, Invalid=3525, Unknown=0, NotChecked=0, Total=4970 [2021-02-23 18:47:04,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-02-23 18:47:04,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 154. [2021-02-23 18:47:04,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2021-02-23 18:47:04,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 159 transitions. [2021-02-23 18:47:04,804 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 159 transitions. Word has length 137 [2021-02-23 18:47:04,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:47:04,804 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 159 transitions. [2021-02-23 18:47:04,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 37 states. [2021-02-23 18:47:04,805 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 159 transitions. [2021-02-23 18:47:04,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-02-23 18:47:04,806 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:47:04,806 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] [2021-02-23 18:47:04,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-02-23 18:47:04,807 INFO L428 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:47:04,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:47:04,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1051589168, now seen corresponding path program 16 times [2021-02-23 18:47:04,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:47:04,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454315402] [2021-02-23 18:47:04,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:47:04,816 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:47:04,817 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:47:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:04,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:04,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:04,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:04,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:04,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:47:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:04,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:04,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:04,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:47:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:05,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:05,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:05,059 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:47:05,060 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:47:05,067 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,067 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,081 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,082 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,096 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,097 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,113 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,114 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,131 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,132 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,149 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,150 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,170 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,171 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,195 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,196 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,216 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,217 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,239 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,239 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,262 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,263 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,285 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,286 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,313 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,314 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,340 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,341 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,371 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,372 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,399 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,427 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,428 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,462 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,463 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,498 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,499 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,536 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,576 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,576 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,615 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,616 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,656 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,657 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,699 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,700 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,742 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,786 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,786 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,833 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,834 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,873 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,874 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,913 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:05,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:05,968 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:06,015 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:06,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:06,066 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:06,067 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:06,126 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:06,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:06,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:06,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:47:06,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:47:06,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454315402] [2021-02-23 18:47:06,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:47:06,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-02-23 18:47:06,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456074452] [2021-02-23 18:47:06,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-02-23 18:47:06,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:47:06,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-02-23 18:47:06,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=1118, Unknown=0, NotChecked=0, Total=1482 [2021-02-23 18:47:06,267 INFO L87 Difference]: Start difference. First operand 154 states and 159 transitions. Second operand 39 states. [2021-02-23 18:47:08,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:47:08,451 INFO L93 Difference]: Finished difference Result 201 states and 211 transitions. [2021-02-23 18:47:08,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-02-23 18:47:08,452 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 143 [2021-02-23 18:47:08,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:47:08,453 INFO L225 Difference]: With dead ends: 201 [2021-02-23 18:47:08,454 INFO L226 Difference]: Without dead ends: 164 [2021-02-23 18:47:08,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1619, Invalid=3931, Unknown=0, NotChecked=0, Total=5550 [2021-02-23 18:47:08,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-02-23 18:47:08,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2021-02-23 18:47:08,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2021-02-23 18:47:08,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 165 transitions. [2021-02-23 18:47:08,479 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 165 transitions. Word has length 143 [2021-02-23 18:47:08,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:47:08,479 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 165 transitions. [2021-02-23 18:47:08,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 39 states. [2021-02-23 18:47:08,480 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2021-02-23 18:47:08,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-02-23 18:47:08,481 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:47:08,481 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] [2021-02-23 18:47:08,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-02-23 18:47:08,482 INFO L428 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:47:08,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:47:08,482 INFO L82 PathProgramCache]: Analyzing trace with hash -458277300, now seen corresponding path program 17 times [2021-02-23 18:47:08,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:47:08,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377245415] [2021-02-23 18:47:08,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:47:08,492 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:47:08,493 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:47:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:08,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:08,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:08,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:08,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:08,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:47:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:08,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:08,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:08,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:47:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:08,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:08,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:08,666 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:47:08,667 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:47:08,674 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:08,674 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:08,689 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:08,689 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:08,704 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:08,705 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:08,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:08,721 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:08,738 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:08,739 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:08,759 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:08,760 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:08,780 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:08,781 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:08,801 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:08,802 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:08,829 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:08,830 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:08,859 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:08,860 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:08,889 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:08,890 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:08,922 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:08,923 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:08,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:08,958 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:08,993 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:08,994 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,027 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,028 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,064 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,065 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,098 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,099 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,131 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,132 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,163 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,196 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,197 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,230 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,275 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,275 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,345 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,346 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,383 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,384 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,429 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,431 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,477 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,524 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,525 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,573 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,573 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,623 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,627 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,674 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,675 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,727 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,779 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,781 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,832 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,834 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,887 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:09,887 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:09,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:09,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:47:10,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:47:10,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [377245415] [2021-02-23 18:47:10,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:47:10,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2021-02-23 18:47:10,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732335679] [2021-02-23 18:47:10,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-02-23 18:47:10,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:47:10,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-02-23 18:47:10,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=403, Invalid=1237, Unknown=0, NotChecked=0, Total=1640 [2021-02-23 18:47:10,046 INFO L87 Difference]: Start difference. First operand 160 states and 165 transitions. Second operand 41 states. [2021-02-23 18:47:12,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:47:12,289 INFO L93 Difference]: Finished difference Result 207 states and 217 transitions. [2021-02-23 18:47:12,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-02-23 18:47:12,290 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 149 [2021-02-23 18:47:12,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:47:12,291 INFO L225 Difference]: With dead ends: 207 [2021-02-23 18:47:12,291 INFO L226 Difference]: Without dead ends: 170 [2021-02-23 18:47:12,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1074 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1803, Invalid=4359, Unknown=0, NotChecked=0, Total=6162 [2021-02-23 18:47:12,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-02-23 18:47:12,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 166. [2021-02-23 18:47:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2021-02-23 18:47:12,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 171 transitions. [2021-02-23 18:47:12,323 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 171 transitions. Word has length 149 [2021-02-23 18:47:12,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:47:12,323 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 171 transitions. [2021-02-23 18:47:12,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2021-02-23 18:47:12,324 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 171 transitions. [2021-02-23 18:47:12,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-02-23 18:47:12,325 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:47:12,325 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] [2021-02-23 18:47:12,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-02-23 18:47:12,326 INFO L428 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:47:12,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:47:12,326 INFO L82 PathProgramCache]: Analyzing trace with hash 920386920, now seen corresponding path program 18 times [2021-02-23 18:47:12,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:47:12,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137102969] [2021-02-23 18:47:12,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:47:12,336 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:47:12,337 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:47:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:12,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:12,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:12,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:12,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:12,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:47:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:12,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:12,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:12,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:47:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:12,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:12,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:12,538 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:47:12,539 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:47:12,546 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,547 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,563 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,564 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,587 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,587 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,611 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,612 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,632 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,633 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,651 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,652 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,671 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,672 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,694 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,695 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,715 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,716 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,736 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,737 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,761 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,761 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,784 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,785 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,808 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,809 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,835 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,862 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,863 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,891 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,920 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,947 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,948 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:12,979 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:12,980 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,019 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,020 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,059 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,060 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,100 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,101 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,186 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,189 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,229 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,230 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,275 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,275 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,321 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,322 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,369 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,370 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,418 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,419 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,468 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,469 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,523 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,524 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,571 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,571 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,619 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,620 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,669 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,669 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,725 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,779 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,780 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:13,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:13,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:13,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:47:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:47:13,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137102969] [2021-02-23 18:47:13,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:47:13,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2021-02-23 18:47:13,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117452359] [2021-02-23 18:47:13,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-02-23 18:47:13,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:47:13,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-02-23 18:47:13,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=1362, Unknown=0, NotChecked=0, Total=1806 [2021-02-23 18:47:13,992 INFO L87 Difference]: Start difference. First operand 166 states and 171 transitions. Second operand 43 states. [2021-02-23 18:47:16,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:47:16,395 INFO L93 Difference]: Finished difference Result 213 states and 223 transitions. [2021-02-23 18:47:16,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-02-23 18:47:16,397 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 155 [2021-02-23 18:47:16,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:47:16,399 INFO L225 Difference]: With dead ends: 213 [2021-02-23 18:47:16,399 INFO L226 Difference]: Without dead ends: 176 [2021-02-23 18:47:16,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1191 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1997, Invalid=4809, Unknown=0, NotChecked=0, Total=6806 [2021-02-23 18:47:16,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-02-23 18:47:16,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2021-02-23 18:47:16,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2021-02-23 18:47:16,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 177 transitions. [2021-02-23 18:47:16,427 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 177 transitions. Word has length 155 [2021-02-23 18:47:16,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:47:16,428 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 177 transitions. [2021-02-23 18:47:16,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 43 states. [2021-02-23 18:47:16,430 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2021-02-23 18:47:16,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-02-23 18:47:16,432 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:47:16,432 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] [2021-02-23 18:47:16,432 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-02-23 18:47:16,432 INFO L428 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:47:16,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:47:16,437 INFO L82 PathProgramCache]: Analyzing trace with hash -949225596, now seen corresponding path program 19 times [2021-02-23 18:47:16,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:47:16,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [830088050] [2021-02-23 18:47:16,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:47:16,447 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:47:16,449 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:47:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:16,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:16,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:16,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:16,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:16,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:47:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:16,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:16,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:16,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:47:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:16,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:16,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:16,659 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:47:16,659 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:47:16,668 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:16,669 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:16,684 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:16,685 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:16,702 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:16,703 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:16,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:16,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:16,742 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:16,743 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:16,764 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:16,765 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:16,787 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:16,788 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:16,811 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:16,811 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:16,833 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:16,833 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:16,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:16,858 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:16,882 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:16,883 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:16,910 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:16,911 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:16,936 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:16,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:16,963 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:16,963 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:16,993 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:16,994 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,053 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,053 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,090 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,091 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,128 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,129 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,167 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,168 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,204 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,244 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,245 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,279 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,279 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,316 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,316 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,352 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,353 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,397 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,397 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,442 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,443 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,491 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,491 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,543 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,589 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,590 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,641 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,642 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,698 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,700 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,759 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,760 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,863 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,864 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,914 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:17,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:17,967 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:18,025 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:18,025 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:18,085 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:18,086 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:18,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:18,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:47:18,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:47:18,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [830088050] [2021-02-23 18:47:18,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:47:18,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2021-02-23 18:47:18,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234622070] [2021-02-23 18:47:18,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-02-23 18:47:18,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:47:18,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-02-23 18:47:18,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=487, Invalid=1493, Unknown=0, NotChecked=0, Total=1980 [2021-02-23 18:47:18,259 INFO L87 Difference]: Start difference. First operand 172 states and 177 transitions. Second operand 45 states. [2021-02-23 18:47:20,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:47:20,773 INFO L93 Difference]: Finished difference Result 219 states and 229 transitions. [2021-02-23 18:47:20,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-02-23 18:47:20,778 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 161 [2021-02-23 18:47:20,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:47:20,780 INFO L225 Difference]: With dead ends: 219 [2021-02-23 18:47:20,780 INFO L226 Difference]: Without dead ends: 182 [2021-02-23 18:47:20,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1314 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=2201, Invalid=5281, Unknown=0, NotChecked=0, Total=7482 [2021-02-23 18:47:20,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-02-23 18:47:20,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 178. [2021-02-23 18:47:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2021-02-23 18:47:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 183 transitions. [2021-02-23 18:47:20,810 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 183 transitions. Word has length 161 [2021-02-23 18:47:20,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:47:20,811 INFO L480 AbstractCegarLoop]: Abstraction has 178 states and 183 transitions. [2021-02-23 18:47:20,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 45 states. [2021-02-23 18:47:20,811 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 183 transitions. [2021-02-23 18:47:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-02-23 18:47:20,812 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:47:20,812 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] [2021-02-23 18:47:20,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-02-23 18:47:20,813 INFO L428 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:47:20,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:47:20,813 INFO L82 PathProgramCache]: Analyzing trace with hash 264694944, now seen corresponding path program 20 times [2021-02-23 18:47:20,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:47:20,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [893227523] [2021-02-23 18:47:20,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:47:20,822 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:47:20,824 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:47:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:20,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:20,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:20,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:20,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:20,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:47:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:20,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:20,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:20,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:47:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:21,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:21,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:21,008 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:47:21,009 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:47:21,016 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,017 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,032 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,032 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,050 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,050 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,067 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,068 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,087 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,087 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,107 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,108 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,127 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,128 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,149 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,149 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,171 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,172 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,200 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,201 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,227 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,228 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,255 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,256 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,282 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,285 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,314 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,315 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,345 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,346 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,410 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,411 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,447 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,448 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,483 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,488 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,519 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,519 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,550 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,551 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,588 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,589 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,631 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,631 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,674 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,675 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,719 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,719 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,765 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,869 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,870 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,919 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,919 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:21,970 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:21,971 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:22,023 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:22,024 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:22,075 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:22,076 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:22,128 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:22,129 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:22,185 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:22,185 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:22,240 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:22,243 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:22,299 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:22,300 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:22,357 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:22,359 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:22,418 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:22,421 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:22,479 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:22,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:22,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:22,542 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:22,605 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:22,605 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:22,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:22,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:47:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:47:22,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [893227523] [2021-02-23 18:47:22,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:47:22,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2021-02-23 18:47:22,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659776729] [2021-02-23 18:47:22,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-02-23 18:47:22,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:47:22,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-02-23 18:47:22,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=532, Invalid=1630, Unknown=0, NotChecked=0, Total=2162 [2021-02-23 18:47:22,803 INFO L87 Difference]: Start difference. First operand 178 states and 183 transitions. Second operand 47 states. [2021-02-23 18:47:25,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:47:25,787 INFO L93 Difference]: Finished difference Result 225 states and 235 transitions. [2021-02-23 18:47:25,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-02-23 18:47:25,788 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 167 [2021-02-23 18:47:25,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:47:25,791 INFO L225 Difference]: With dead ends: 225 [2021-02-23 18:47:25,791 INFO L226 Difference]: Without dead ends: 188 [2021-02-23 18:47:25,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1443 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=2415, Invalid=5775, Unknown=0, NotChecked=0, Total=8190 [2021-02-23 18:47:25,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-02-23 18:47:25,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 184. [2021-02-23 18:47:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2021-02-23 18:47:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 189 transitions. [2021-02-23 18:47:25,819 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 189 transitions. Word has length 167 [2021-02-23 18:47:25,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:47:25,819 INFO L480 AbstractCegarLoop]: Abstraction has 184 states and 189 transitions. [2021-02-23 18:47:25,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 47 states. [2021-02-23 18:47:25,819 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 189 transitions. [2021-02-23 18:47:25,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-02-23 18:47:25,820 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:47:25,820 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] [2021-02-23 18:47:25,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-02-23 18:47:25,820 INFO L428 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:47:25,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:47:25,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1283759292, now seen corresponding path program 21 times [2021-02-23 18:47:25,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:47:25,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144591325] [2021-02-23 18:47:25,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:47:25,832 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:47:25,833 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:47:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:25,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:25,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:25,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:25,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:25,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:47:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:25,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:25,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:25,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:47:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:26,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:26,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:26,030 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:47:26,031 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:47:26,038 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,039 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,053 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,054 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,069 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,070 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,086 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,087 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,106 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,126 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,126 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,160 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,160 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,182 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,206 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,230 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,255 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,255 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,280 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,281 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,310 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,311 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,342 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,343 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,375 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,376 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,409 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,411 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,447 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,449 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,485 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,486 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,526 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,526 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,564 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,565 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,605 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,606 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,648 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,648 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,736 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,737 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,783 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,784 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,829 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,830 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,876 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,925 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,926 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:26,975 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:26,976 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:27,029 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:27,032 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:27,081 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:27,086 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:27,137 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:27,138 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:27,192 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:27,193 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:27,248 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:27,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:27,303 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:27,304 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:27,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:27,361 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:27,426 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:27,427 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:27,487 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:27,488 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:27,550 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:27,551 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:27,600 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:27,601 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:27,663 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:27,663 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:27,728 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:27,729 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:27,794 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:27,795 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:27,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:27,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:47:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:47:28,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144591325] [2021-02-23 18:47:28,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:47:28,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2021-02-23 18:47:28,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812057621] [2021-02-23 18:47:28,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-02-23 18:47:28,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:47:28,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-02-23 18:47:28,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=1773, Unknown=0, NotChecked=0, Total=2352 [2021-02-23 18:47:28,004 INFO L87 Difference]: Start difference. First operand 184 states and 189 transitions. Second operand 49 states. [2021-02-23 18:47:31,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:47:31,151 INFO L93 Difference]: Finished difference Result 231 states and 241 transitions. [2021-02-23 18:47:31,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-02-23 18:47:31,152 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 173 [2021-02-23 18:47:31,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:47:31,154 INFO L225 Difference]: With dead ends: 231 [2021-02-23 18:47:31,154 INFO L226 Difference]: Without dead ends: 194 [2021-02-23 18:47:31,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1578 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=2639, Invalid=6291, Unknown=0, NotChecked=0, Total=8930 [2021-02-23 18:47:31,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-02-23 18:47:31,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 190. [2021-02-23 18:47:31,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2021-02-23 18:47:31,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 195 transitions. [2021-02-23 18:47:31,183 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 195 transitions. Word has length 173 [2021-02-23 18:47:31,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:47:31,184 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 195 transitions. [2021-02-23 18:47:31,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has 49 states. [2021-02-23 18:47:31,184 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 195 transitions. [2021-02-23 18:47:31,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-23 18:47:31,185 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:47:31,185 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] [2021-02-23 18:47:31,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-02-23 18:47:31,186 INFO L428 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:47:31,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:47:31,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1500301272, now seen corresponding path program 22 times [2021-02-23 18:47:31,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:47:31,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152657539] [2021-02-23 18:47:31,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:47:31,198 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:47:31,199 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:47:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:31,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:31,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:31,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:31,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:31,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:47:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:31,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:31,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:31,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:47:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:31,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:31,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:31,403 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:47:31,403 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:47:31,410 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,411 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,426 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,427 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,443 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,444 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,461 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,462 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,482 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,482 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,520 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,520 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,542 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,543 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,566 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,589 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,589 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,614 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,615 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,641 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,642 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,667 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,696 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,696 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,725 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,726 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,756 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,756 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,787 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,787 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,818 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,819 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,850 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,850 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,883 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,884 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,917 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,918 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,955 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,956 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:31,993 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:31,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,032 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,033 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,073 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,074 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,115 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,116 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,158 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,159 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,202 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,202 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,247 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,297 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,346 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,347 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,400 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,454 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,455 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,508 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,509 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,565 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,624 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,625 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,683 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,684 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,750 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,751 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,811 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,873 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,874 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,936 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:32,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:32,999 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:33,000 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:33,067 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:33,067 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:33,132 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:33,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:33,201 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:33,202 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:33,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:33,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:33,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:33,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:47:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:47:33,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152657539] [2021-02-23 18:47:33,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:47:33,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-02-23 18:47:33,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17496858] [2021-02-23 18:47:33,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-02-23 18:47:33,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:47:33,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-02-23 18:47:33,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=628, Invalid=1922, Unknown=0, NotChecked=0, Total=2550 [2021-02-23 18:47:33,492 INFO L87 Difference]: Start difference. First operand 190 states and 195 transitions. Second operand 51 states. [2021-02-23 18:47:36,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:47:36,780 INFO L93 Difference]: Finished difference Result 237 states and 247 transitions. [2021-02-23 18:47:36,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-02-23 18:47:36,780 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 179 [2021-02-23 18:47:36,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:47:36,782 INFO L225 Difference]: With dead ends: 237 [2021-02-23 18:47:36,782 INFO L226 Difference]: Without dead ends: 200 [2021-02-23 18:47:36,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1719 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=2873, Invalid=6829, Unknown=0, NotChecked=0, Total=9702 [2021-02-23 18:47:36,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-02-23 18:47:36,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 196. [2021-02-23 18:47:36,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2021-02-23 18:47:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 201 transitions. [2021-02-23 18:47:36,817 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 201 transitions. Word has length 179 [2021-02-23 18:47:36,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:47:36,818 INFO L480 AbstractCegarLoop]: Abstraction has 196 states and 201 transitions. [2021-02-23 18:47:36,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 51 states. [2021-02-23 18:47:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 201 transitions. [2021-02-23 18:47:36,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-02-23 18:47:36,819 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:47:36,819 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] [2021-02-23 18:47:36,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-02-23 18:47:36,820 INFO L428 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:47:36,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:47:36,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1921569292, now seen corresponding path program 23 times [2021-02-23 18:47:36,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:47:36,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [826952022] [2021-02-23 18:47:36,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:47:36,831 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:47:36,833 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:47:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:36,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:36,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:36,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:36,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:36,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:47:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:36,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:36,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:36,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:47:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:37,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:37,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:37,057 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:47:37,057 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:47:37,065 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,065 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,081 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,081 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,099 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,099 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,117 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,118 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,137 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,138 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,158 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,159 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,180 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,181 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,203 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,227 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,252 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,253 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,278 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,279 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,304 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,305 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,334 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,334 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,362 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,392 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,393 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,423 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,423 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,454 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,489 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,490 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,529 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,530 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,570 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,570 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,610 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,611 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,653 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,698 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,699 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,743 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,790 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,791 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,885 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,886 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,936 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:37,988 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:37,989 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,040 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,094 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,094 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,157 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,222 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,278 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,278 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,336 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,339 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,389 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,390 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,447 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,448 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,509 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,510 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,572 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,574 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,637 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,638 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,703 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,704 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,772 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,772 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,840 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,840 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,908 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,909 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:38,977 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:38,978 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:39,047 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:39,048 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:39,119 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:39,120 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:39,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:39,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:47:39,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:47:39,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [826952022] [2021-02-23 18:47:39,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:47:39,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-02-23 18:47:39,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753505420] [2021-02-23 18:47:39,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-02-23 18:47:39,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:47:39,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-02-23 18:47:39,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=679, Invalid=2077, Unknown=0, NotChecked=0, Total=2756 [2021-02-23 18:47:39,356 INFO L87 Difference]: Start difference. First operand 196 states and 201 transitions. Second operand 53 states. [2021-02-23 18:47:43,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:47:43,120 INFO L93 Difference]: Finished difference Result 243 states and 253 transitions. [2021-02-23 18:47:43,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-02-23 18:47:43,121 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 185 [2021-02-23 18:47:43,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:47:43,123 INFO L225 Difference]: With dead ends: 243 [2021-02-23 18:47:43,123 INFO L226 Difference]: Without dead ends: 206 [2021-02-23 18:47:43,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1866 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=3117, Invalid=7389, Unknown=0, NotChecked=0, Total=10506 [2021-02-23 18:47:43,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-02-23 18:47:43,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 202. [2021-02-23 18:47:43,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2021-02-23 18:47:43,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 207 transitions. [2021-02-23 18:47:43,158 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 207 transitions. Word has length 185 [2021-02-23 18:47:43,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:47:43,159 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 207 transitions. [2021-02-23 18:47:43,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 53 states. [2021-02-23 18:47:43,159 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 207 transitions. [2021-02-23 18:47:43,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-02-23 18:47:43,160 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:47:43,160 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] [2021-02-23 18:47:43,160 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-02-23 18:47:43,160 INFO L428 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:47:43,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:47:43,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1765044464, now seen corresponding path program 24 times [2021-02-23 18:47:43,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:47:43,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [281538135] [2021-02-23 18:47:43,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:47:43,170 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:47:43,171 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:47:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:43,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:43,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:43,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:43,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:43,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:47:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:43,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:43,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:43,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:47:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:43,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:43,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:43,401 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:47:43,401 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:47:43,409 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,410 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,427 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,427 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,445 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,446 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,467 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,468 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,490 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,491 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,513 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,514 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,539 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,563 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,564 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,599 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,599 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,627 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,627 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,653 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,682 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,683 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,742 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,773 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,774 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,805 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,806 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,837 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,875 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,910 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,910 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,947 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,947 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:43,984 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:43,985 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,067 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,068 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,114 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,115 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,163 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,171 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,219 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,220 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,268 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,269 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,320 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,321 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,372 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,373 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,426 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,427 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,480 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,481 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,536 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,593 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,594 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,652 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,653 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,712 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,773 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,774 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,835 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,836 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,903 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,904 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:44,967 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:44,968 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:45,033 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:45,034 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:45,100 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:45,101 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:45,169 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:45,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:45,238 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:45,239 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:45,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:45,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:45,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:45,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:45,454 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:45,454 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:45,527 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:45,528 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:45,603 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:45,603 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:45,679 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:45,680 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:45,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:45,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:47:45,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:47:45,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [281538135] [2021-02-23 18:47:45,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:47:45,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [] total 55 [2021-02-23 18:47:45,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456656761] [2021-02-23 18:47:45,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-02-23 18:47:45,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:47:45,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-02-23 18:47:45,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=732, Invalid=2238, Unknown=0, NotChecked=0, Total=2970 [2021-02-23 18:47:45,933 INFO L87 Difference]: Start difference. First operand 202 states and 207 transitions. Second operand 55 states. [2021-02-23 18:47:49,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:47:49,705 INFO L93 Difference]: Finished difference Result 249 states and 259 transitions. [2021-02-23 18:47:49,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-02-23 18:47:49,707 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 191 [2021-02-23 18:47:49,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:47:49,708 INFO L225 Difference]: With dead ends: 249 [2021-02-23 18:47:49,708 INFO L226 Difference]: Without dead ends: 212 [2021-02-23 18:47:49,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2019 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=3371, Invalid=7971, Unknown=0, NotChecked=0, Total=11342 [2021-02-23 18:47:49,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-02-23 18:47:49,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 208. [2021-02-23 18:47:49,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2021-02-23 18:47:49,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 213 transitions. [2021-02-23 18:47:49,745 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 213 transitions. Word has length 191 [2021-02-23 18:47:49,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:47:49,745 INFO L480 AbstractCegarLoop]: Abstraction has 208 states and 213 transitions. [2021-02-23 18:47:49,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 55 states. [2021-02-23 18:47:49,746 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 213 transitions. [2021-02-23 18:47:49,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-02-23 18:47:49,747 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:47:49,747 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] [2021-02-23 18:47:49,747 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-02-23 18:47:49,747 INFO L428 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:47:49,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:47:49,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1455532844, now seen corresponding path program 25 times [2021-02-23 18:47:49,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:47:49,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [670521440] [2021-02-23 18:47:49,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:47:49,757 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:47:49,758 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:47:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:49,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:49,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:49,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:49,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:49,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:47:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:49,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:49,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:49,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:47:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:49,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:49,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:49,967 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:47:49,967 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:47:49,975 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:49,976 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:49,996 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:49,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,019 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,020 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,039 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,040 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,066 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,067 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,092 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,093 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,120 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,121 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,147 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,178 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,210 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,211 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,236 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,237 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,265 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,266 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,312 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,313 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,340 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,341 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,370 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,371 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,399 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,429 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,430 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,459 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,460 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,492 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,493 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,527 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,528 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,563 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,564 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,597 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,598 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,633 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,634 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,670 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,670 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,716 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,717 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,768 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,768 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,815 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,816 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,865 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,866 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,917 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,918 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:50,969 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:50,970 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,022 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,074 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,075 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,130 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,130 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,185 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,186 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,241 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,242 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,299 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,301 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,362 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,363 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,423 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,424 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,484 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,485 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,622 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,623 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,686 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,687 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,754 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,755 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,822 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,890 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:51,961 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:51,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:52,037 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:52,038 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:52,114 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:52,114 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:52,182 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:52,183 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:52,257 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:52,260 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:52,331 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:52,332 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:52,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:52,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:47:52,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:47:52,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [670521440] [2021-02-23 18:47:52,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:47:52,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [57] imperfect sequences [] total 57 [2021-02-23 18:47:52,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011008900] [2021-02-23 18:47:52,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-02-23 18:47:52,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:47:52,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-02-23 18:47:52,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=787, Invalid=2405, Unknown=0, NotChecked=0, Total=3192 [2021-02-23 18:47:52,593 INFO L87 Difference]: Start difference. First operand 208 states and 213 transitions. Second operand 57 states. [2021-02-23 18:47:56,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:47:56,377 INFO L93 Difference]: Finished difference Result 255 states and 265 transitions. [2021-02-23 18:47:56,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-02-23 18:47:56,378 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 197 [2021-02-23 18:47:56,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:47:56,380 INFO L225 Difference]: With dead ends: 255 [2021-02-23 18:47:56,380 INFO L226 Difference]: Without dead ends: 218 [2021-02-23 18:47:56,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2178 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=3635, Invalid=8575, Unknown=0, NotChecked=0, Total=12210 [2021-02-23 18:47:56,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-02-23 18:47:56,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2021-02-23 18:47:56,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2021-02-23 18:47:56,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 219 transitions. [2021-02-23 18:47:56,425 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 219 transitions. Word has length 197 [2021-02-23 18:47:56,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:47:56,425 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 219 transitions. [2021-02-23 18:47:56,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 57 states. [2021-02-23 18:47:56,425 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 219 transitions. [2021-02-23 18:47:56,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-02-23 18:47:56,427 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:47:56,427 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] [2021-02-23 18:47:56,428 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-02-23 18:47:56,428 INFO L428 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:47:56,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:47:56,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1109310904, now seen corresponding path program 26 times [2021-02-23 18:47:56,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:47:56,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [572184873] [2021-02-23 18:47:56,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:47:56,441 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:47:56,442 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:47:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:56,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:56,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:56,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:56,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:56,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:47:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:56,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:56,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:56,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:47:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:56,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:56,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:56,730 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:47:56,731 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:47:56,738 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:56,739 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:56,754 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:56,755 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:56,773 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:56,774 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:56,792 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:56,793 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:56,814 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:56,814 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:56,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:56,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:56,860 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:56,861 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:56,885 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:56,886 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:56,907 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:56,908 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:56,934 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:56,935 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:56,960 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:56,960 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:56,986 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:56,987 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,012 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,046 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,047 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,082 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,083 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,119 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,119 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,156 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,195 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,196 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,235 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,236 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,276 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,276 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,319 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,361 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,361 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,406 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,406 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,452 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,498 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,499 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,546 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,546 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,594 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,595 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,644 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,644 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,696 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,696 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,749 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,804 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,805 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,859 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,860 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,924 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:57,981 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:57,981 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:58,040 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:58,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:58,101 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:58,101 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:58,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:58,163 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:58,226 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:58,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:58,290 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:58,291 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:58,354 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:58,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:58,422 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:58,424 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:58,488 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:58,489 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:58,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:58,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:58,627 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:58,628 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:58,703 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:58,704 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:58,777 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:58,777 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:58,850 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:58,850 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:58,925 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:58,926 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:59,000 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:59,000 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:59,076 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:59,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:59,155 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:59,156 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:59,240 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:59,241 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:59,319 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:47:59,320 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:47:59,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:59,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:47:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:47:59,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [572184873] [2021-02-23 18:47:59,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:47:59,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [] total 59 [2021-02-23 18:47:59,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968470562] [2021-02-23 18:47:59,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-02-23 18:47:59,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:47:59,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-02-23 18:47:59,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=844, Invalid=2578, Unknown=0, NotChecked=0, Total=3422 [2021-02-23 18:47:59,598 INFO L87 Difference]: Start difference. First operand 214 states and 219 transitions. Second operand 59 states. [2021-02-23 18:48:04,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:48:04,370 INFO L93 Difference]: Finished difference Result 261 states and 271 transitions. [2021-02-23 18:48:04,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-02-23 18:48:04,371 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 203 [2021-02-23 18:48:04,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:48:04,374 INFO L225 Difference]: With dead ends: 261 [2021-02-23 18:48:04,374 INFO L226 Difference]: Without dead ends: 224 [2021-02-23 18:48:04,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2343 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=3909, Invalid=9201, Unknown=0, NotChecked=0, Total=13110 [2021-02-23 18:48:04,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-02-23 18:48:04,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 220. [2021-02-23 18:48:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2021-02-23 18:48:04,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 225 transitions. [2021-02-23 18:48:04,414 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 225 transitions. Word has length 203 [2021-02-23 18:48:04,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:48:04,415 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 225 transitions. [2021-02-23 18:48:04,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 59 states. [2021-02-23 18:48:04,415 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 225 transitions. [2021-02-23 18:48:04,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-02-23 18:48:04,416 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:48:04,417 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] [2021-02-23 18:48:04,417 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-02-23 18:48:04,417 INFO L428 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:48:04,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:48:04,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1478355868, now seen corresponding path program 27 times [2021-02-23 18:48:04,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:48:04,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [366676517] [2021-02-23 18:48:04,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:48:04,428 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:48:04,429 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:48:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:04,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:04,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:04,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:04,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:04,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:48:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:04,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:04,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:04,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:48:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:04,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:04,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:04,687 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:48:04,687 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:48:04,696 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:04,696 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:04,712 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:04,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:04,730 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:04,731 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:04,751 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:04,752 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:04,773 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:04,774 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:04,797 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:04,797 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:04,821 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:04,822 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:04,846 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:04,847 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:04,875 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:04,876 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:04,906 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:04,907 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:04,940 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:04,942 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:04,976 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:04,976 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,012 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,048 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,049 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,085 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,086 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,165 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,165 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,206 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,207 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,249 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,250 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,340 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,341 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,385 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,386 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,431 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,432 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,477 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,478 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,524 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,525 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,575 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,576 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,624 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,625 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,678 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,681 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,735 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,736 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,846 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,850 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,907 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,907 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:05,965 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:05,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:06,034 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:06,035 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:06,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:06,094 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:06,156 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:06,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:06,218 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:06,219 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:06,281 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:06,282 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:06,345 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:06,346 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:06,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:06,412 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:06,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:06,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:06,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:06,547 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:06,616 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:06,617 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:06,688 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:06,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:06,760 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:06,760 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:06,835 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:06,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:06,909 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:06,910 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:06,984 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:06,985 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:07,062 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:07,063 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:07,140 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:07,141 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:07,221 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:07,222 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:07,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:07,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:07,397 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:07,398 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:07,482 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:07,483 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:07,564 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:07,565 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:07,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:07,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:07,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:48:07,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [366676517] [2021-02-23 18:48:07,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:48:07,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [61] imperfect sequences [] total 61 [2021-02-23 18:48:07,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127479018] [2021-02-23 18:48:07,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-02-23 18:48:07,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:48:07,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-02-23 18:48:07,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=2757, Unknown=0, NotChecked=0, Total=3660 [2021-02-23 18:48:07,862 INFO L87 Difference]: Start difference. First operand 220 states and 225 transitions. Second operand 61 states. [2021-02-23 18:48:12,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:48:12,602 INFO L93 Difference]: Finished difference Result 267 states and 277 transitions. [2021-02-23 18:48:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-02-23 18:48:12,603 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 209 [2021-02-23 18:48:12,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:48:12,606 INFO L225 Difference]: With dead ends: 267 [2021-02-23 18:48:12,606 INFO L226 Difference]: Without dead ends: 230 [2021-02-23 18:48:12,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2514 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=4193, Invalid=9849, Unknown=0, NotChecked=0, Total=14042 [2021-02-23 18:48:12,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-02-23 18:48:12,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 226. [2021-02-23 18:48:12,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2021-02-23 18:48:12,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 231 transitions. [2021-02-23 18:48:12,641 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 231 transitions. Word has length 209 [2021-02-23 18:48:12,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:48:12,641 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 231 transitions. [2021-02-23 18:48:12,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 61 states. [2021-02-23 18:48:12,642 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 231 transitions. [2021-02-23 18:48:12,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-02-23 18:48:12,643 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:48:12,643 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] [2021-02-23 18:48:12,643 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-02-23 18:48:12,643 INFO L428 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:48:12,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:48:12,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1213472384, now seen corresponding path program 28 times [2021-02-23 18:48:12,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:48:12,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [382331964] [2021-02-23 18:48:12,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:48:12,658 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:48:12,661 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:48:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:12,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:12,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:12,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:12,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:12,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:48:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:12,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:12,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:12,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:48:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:12,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:12,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:12,910 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:48:12,911 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:48:12,920 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:12,921 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:12,942 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:12,943 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:12,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:12,967 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:12,997 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:12,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,025 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,026 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,055 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,056 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,085 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,086 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,116 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,117 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,177 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,178 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,207 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,208 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,237 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,238 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,269 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,270 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,303 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,304 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,337 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,338 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,372 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,372 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,411 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,412 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,452 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,492 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,493 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,533 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,534 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,573 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,574 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,619 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,666 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,714 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,715 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,766 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,817 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,818 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,870 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,926 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,927 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:13,982 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:13,983 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:14,044 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:14,045 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:14,110 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:14,111 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:14,170 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:14,171 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:14,231 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:14,232 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:14,293 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:14,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:14,356 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:14,359 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:14,425 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:14,428 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:14,490 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:14,493 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:14,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:14,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:14,626 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:14,626 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:14,696 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:14,697 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:14,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:14,766 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:14,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:14,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:14,913 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:14,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:14,988 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:14,989 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:15,064 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:15,064 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:15,141 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:15,142 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:15,219 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:15,220 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:15,298 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:15,299 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:15,380 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:15,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:15,463 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:15,466 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:15,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:15,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:15,643 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:15,644 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:15,730 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:15,730 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:15,821 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:15,822 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:15,912 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:15,915 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:16,005 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:16,006 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:16,097 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:16,098 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:16,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:16,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:16,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:48:16,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [382331964] [2021-02-23 18:48:16,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:48:16,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2021-02-23 18:48:16,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387246863] [2021-02-23 18:48:16,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-02-23 18:48:16,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:48:16,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-02-23 18:48:16,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=964, Invalid=2942, Unknown=0, NotChecked=0, Total=3906 [2021-02-23 18:48:16,412 INFO L87 Difference]: Start difference. First operand 226 states and 231 transitions. Second operand 63 states. [2021-02-23 18:48:21,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:48:21,860 INFO L93 Difference]: Finished difference Result 273 states and 283 transitions. [2021-02-23 18:48:21,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-02-23 18:48:21,861 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 215 [2021-02-23 18:48:21,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:48:21,863 INFO L225 Difference]: With dead ends: 273 [2021-02-23 18:48:21,864 INFO L226 Difference]: Without dead ends: 236 [2021-02-23 18:48:21,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2691 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=4487, Invalid=10519, Unknown=0, NotChecked=0, Total=15006 [2021-02-23 18:48:21,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-02-23 18:48:21,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 232. [2021-02-23 18:48:21,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2021-02-23 18:48:21,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 237 transitions. [2021-02-23 18:48:21,908 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 237 transitions. Word has length 215 [2021-02-23 18:48:21,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:48:21,909 INFO L480 AbstractCegarLoop]: Abstraction has 232 states and 237 transitions. [2021-02-23 18:48:21,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 63 states. [2021-02-23 18:48:21,909 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 237 transitions. [2021-02-23 18:48:21,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-02-23 18:48:21,910 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:48:21,911 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] [2021-02-23 18:48:21,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-02-23 18:48:21,911 INFO L428 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:48:21,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:48:21,911 INFO L82 PathProgramCache]: Analyzing trace with hash 861301148, now seen corresponding path program 29 times [2021-02-23 18:48:21,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:48:21,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1846541822] [2021-02-23 18:48:21,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:48:21,921 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:48:21,922 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:48:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:22,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:22,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:22,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:22,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:22,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:48:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:22,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:22,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:22,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:48:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:22,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:22,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:22,186 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:48:22,186 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:48:22,196 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,197 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,217 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,218 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,241 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,242 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,268 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,269 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,292 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,293 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,319 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,320 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,346 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,347 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,376 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,377 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,406 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,407 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,437 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,438 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,473 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,474 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,509 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,509 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,545 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,546 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,595 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,596 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,637 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,638 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,677 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,677 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,714 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,715 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,759 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,760 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,804 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,805 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,852 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,852 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,901 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:22,950 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:22,951 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,002 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,002 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,055 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,056 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,112 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,115 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,167 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,167 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,223 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,224 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,282 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,283 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,340 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,341 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,399 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,460 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,461 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,523 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,524 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,589 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,589 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,655 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,656 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,724 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,725 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,862 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,863 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:23,934 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:23,935 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:24,010 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:24,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:24,087 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:24,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:24,178 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:24,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:24,258 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:24,260 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:24,342 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:24,343 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:24,421 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:24,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:24,502 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:24,503 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:24,586 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:24,587 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:24,670 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:24,670 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:24,754 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:24,755 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:24,840 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:24,841 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:24,928 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:24,929 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:25,019 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:25,020 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:25,110 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:25,111 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:25,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:25,203 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:25,300 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:25,301 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:25,396 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:25,396 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:25,492 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:25,493 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:25,592 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:25,594 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:25,701 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:25,701 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:25,801 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:25,802 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:25,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:25,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:26,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:48:26,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1846541822] [2021-02-23 18:48:26,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:48:26,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [65] imperfect sequences [] total 65 [2021-02-23 18:48:26,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793901690] [2021-02-23 18:48:26,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-02-23 18:48:26,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:48:26,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-02-23 18:48:26,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1027, Invalid=3133, Unknown=0, NotChecked=0, Total=4160 [2021-02-23 18:48:26,140 INFO L87 Difference]: Start difference. First operand 232 states and 237 transitions. Second operand 65 states. [2021-02-23 18:48:31,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:48:31,589 INFO L93 Difference]: Finished difference Result 279 states and 289 transitions. [2021-02-23 18:48:31,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-02-23 18:48:31,590 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 221 [2021-02-23 18:48:31,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:48:31,593 INFO L225 Difference]: With dead ends: 279 [2021-02-23 18:48:31,593 INFO L226 Difference]: Without dead ends: 242 [2021-02-23 18:48:31,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2874 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=4791, Invalid=11211, Unknown=0, NotChecked=0, Total=16002 [2021-02-23 18:48:31,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-02-23 18:48:31,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 238. [2021-02-23 18:48:31,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2021-02-23 18:48:31,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 243 transitions. [2021-02-23 18:48:31,644 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 243 transitions. Word has length 221 [2021-02-23 18:48:31,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:48:31,645 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 243 transitions. [2021-02-23 18:48:31,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 65 states. [2021-02-23 18:48:31,645 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 243 transitions. [2021-02-23 18:48:31,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-02-23 18:48:31,646 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:48:31,647 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] [2021-02-23 18:48:31,647 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-02-23 18:48:31,647 INFO L428 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:48:31,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:48:31,647 INFO L82 PathProgramCache]: Analyzing trace with hash -534156104, now seen corresponding path program 30 times [2021-02-23 18:48:31,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:48:31,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1340417292] [2021-02-23 18:48:31,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:48:31,658 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:48:31,659 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:48:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:31,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:31,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:31,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:31,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:31,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:48:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:31,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:31,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:31,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:48:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:31,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:31,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:31,919 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:48:31,920 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:48:31,929 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:31,930 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:31,947 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:31,947 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:31,968 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:31,969 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:31,991 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:31,991 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,014 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,015 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,037 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,038 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,063 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,064 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,091 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,092 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,120 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,121 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,151 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,151 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,183 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,184 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,213 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,246 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,247 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,280 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,281 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,317 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,358 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,359 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,400 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,401 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,443 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,444 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,486 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,487 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,543 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,543 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,588 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,589 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,637 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,638 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,687 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,739 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,740 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,793 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,793 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,848 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,849 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,905 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,906 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:32,960 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:32,960 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:33,016 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:33,017 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:33,072 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:33,073 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:33,131 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:33,132 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:33,190 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:33,191 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:33,252 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:33,253 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:33,315 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:33,316 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:33,380 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:33,380 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:33,448 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:33,449 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:33,515 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:33,516 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:33,586 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:33,587 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:33,658 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:33,659 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:33,730 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:33,731 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:33,804 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:33,805 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:33,877 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:33,878 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:33,954 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:33,955 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:34,042 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:34,042 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:34,119 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:34,120 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:34,198 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:34,199 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:34,280 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:34,281 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:34,364 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:34,365 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:34,450 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:34,450 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:34,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:34,539 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:34,626 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:34,627 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:34,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:34,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:34,799 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:34,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:34,891 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:34,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:34,981 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:34,982 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:35,065 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:35,065 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:35,150 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:35,153 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:35,239 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:35,240 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:35,326 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:35,327 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:35,427 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:35,427 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:35,523 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:35,524 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:35,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:35,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:35,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:48:35,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1340417292] [2021-02-23 18:48:35,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:48:35,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2021-02-23 18:48:35,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10665427] [2021-02-23 18:48:35,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-02-23 18:48:35,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:48:35,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-02-23 18:48:35,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1092, Invalid=3330, Unknown=0, NotChecked=0, Total=4422 [2021-02-23 18:48:35,878 INFO L87 Difference]: Start difference. First operand 238 states and 243 transitions. Second operand 67 states. [2021-02-23 18:48:41,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:48:41,808 INFO L93 Difference]: Finished difference Result 285 states and 295 transitions. [2021-02-23 18:48:41,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-02-23 18:48:41,809 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 227 [2021-02-23 18:48:41,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:48:41,811 INFO L225 Difference]: With dead ends: 285 [2021-02-23 18:48:41,812 INFO L226 Difference]: Without dead ends: 248 [2021-02-23 18:48:41,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3063 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=5105, Invalid=11925, Unknown=0, NotChecked=0, Total=17030 [2021-02-23 18:48:41,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-02-23 18:48:41,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 244. [2021-02-23 18:48:41,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2021-02-23 18:48:41,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 249 transitions. [2021-02-23 18:48:41,867 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 249 transitions. Word has length 227 [2021-02-23 18:48:41,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:48:41,867 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 249 transitions. [2021-02-23 18:48:41,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 67 states. [2021-02-23 18:48:41,867 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 249 transitions. [2021-02-23 18:48:41,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-02-23 18:48:41,868 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:48:41,869 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] [2021-02-23 18:48:41,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-02-23 18:48:41,869 INFO L428 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:48:41,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:48:41,870 INFO L82 PathProgramCache]: Analyzing trace with hash -560157996, now seen corresponding path program 31 times [2021-02-23 18:48:41,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:48:41,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825604045] [2021-02-23 18:48:41,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:48:41,880 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:48:41,881 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:48:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:41,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:41,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:41,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:41,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:41,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:48:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:41,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:41,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:42,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:48:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:42,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:42,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:42,141 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:48:42,141 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:48:42,149 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,150 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,165 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,182 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,183 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,213 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,234 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,234 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,256 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,257 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,278 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,279 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,301 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,302 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,326 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,327 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,358 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,359 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,392 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,393 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,426 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,427 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,463 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,464 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,501 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,502 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,542 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,582 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,583 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,623 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,623 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,666 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,667 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,712 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,759 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,760 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,808 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,809 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,860 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,861 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,913 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:42,965 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:42,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:43,020 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:43,021 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:43,077 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:43,077 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:43,132 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:43,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:43,192 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:43,193 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:43,255 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:43,257 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:43,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:43,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:43,382 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:43,383 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:43,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:43,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:43,512 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:43,512 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:43,579 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:43,580 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:43,647 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:43,647 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:43,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:43,727 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:43,796 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:43,796 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:43,869 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:43,870 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:43,943 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:43,944 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:44,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:44,022 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:44,099 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:44,100 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:44,179 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:44,180 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:44,260 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:44,261 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:44,341 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:44,342 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:44,422 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:44,423 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:44,507 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:44,508 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:44,593 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:44,594 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:44,678 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:44,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:44,772 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:44,773 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:44,864 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:44,866 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:44,954 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:44,955 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:45,046 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:45,047 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:45,140 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:45,141 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:45,233 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:45,234 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:45,340 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:45,341 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:45,439 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:45,440 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:45,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:45,539 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:45,639 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:45,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:45,738 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:45,739 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:45,842 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:45,843 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:45,948 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:45,949 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:46,054 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:46,055 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:46,148 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:46,149 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:46,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:46,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:46,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:48:46,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825604045] [2021-02-23 18:48:46,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:48:46,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [69] imperfect sequences [] total 69 [2021-02-23 18:48:46,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840079620] [2021-02-23 18:48:46,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-02-23 18:48:46,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:48:46,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-02-23 18:48:46,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1159, Invalid=3533, Unknown=0, NotChecked=0, Total=4692 [2021-02-23 18:48:46,503 INFO L87 Difference]: Start difference. First operand 244 states and 249 transitions. Second operand 69 states. [2021-02-23 18:48:52,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:48:52,959 INFO L93 Difference]: Finished difference Result 291 states and 301 transitions. [2021-02-23 18:48:52,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-02-23 18:48:52,960 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 233 [2021-02-23 18:48:52,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:48:52,962 INFO L225 Difference]: With dead ends: 291 [2021-02-23 18:48:52,963 INFO L226 Difference]: Without dead ends: 254 [2021-02-23 18:48:52,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3258 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=5429, Invalid=12661, Unknown=0, NotChecked=0, Total=18090 [2021-02-23 18:48:52,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-02-23 18:48:53,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 250. [2021-02-23 18:48:53,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-02-23 18:48:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 255 transitions. [2021-02-23 18:48:53,015 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 255 transitions. Word has length 233 [2021-02-23 18:48:53,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:48:53,016 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 255 transitions. [2021-02-23 18:48:53,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 69 states. [2021-02-23 18:48:53,016 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 255 transitions. [2021-02-23 18:48:53,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-23 18:48:53,017 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:48:53,017 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] [2021-02-23 18:48:53,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-02-23 18:48:53,018 INFO L428 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:48:53,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:48:53,018 INFO L82 PathProgramCache]: Analyzing trace with hash -2041060368, now seen corresponding path program 32 times [2021-02-23 18:48:53,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:48:53,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1829899854] [2021-02-23 18:48:53,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:48:53,030 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:48:53,031 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:48:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:53,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:53,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:53,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:53,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:53,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:48:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:53,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:53,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:53,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:48:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:53,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:53,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:53,305 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:48:53,306 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:48:53,316 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,317 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,335 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,335 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,357 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,357 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,380 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,381 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,403 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,403 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,427 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,428 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,452 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,480 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,480 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,509 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,510 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,539 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,540 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,586 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,587 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,624 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,625 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,662 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,663 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,702 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,703 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,743 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,786 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,787 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,831 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,831 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,876 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,924 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:53,974 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:53,974 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,024 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,026 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,076 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,077 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,128 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,129 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,182 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,182 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,239 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,240 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,295 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,296 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,355 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,356 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,416 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,417 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,606 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,606 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,671 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,672 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,736 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,737 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,803 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,804 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,871 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:54,938 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:54,939 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:55,011 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:55,012 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:55,087 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:55,087 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:55,171 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:55,172 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:55,244 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:55,244 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:55,319 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:55,320 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:55,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:55,400 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:55,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:55,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:55,554 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:55,554 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:55,625 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:55,626 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:55,701 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:55,702 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:55,782 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:55,783 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:55,851 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:55,852 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:55,927 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:55,928 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:56,001 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:56,002 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:56,080 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:56,081 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:56,161 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:56,162 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:56,251 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:56,251 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:56,343 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:56,344 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:56,438 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:56,439 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:56,539 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:56,540 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:56,650 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:56,650 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:56,752 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:56,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:56,859 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:56,863 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:56,967 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:56,971 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:57,076 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:57,077 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:57,183 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:57,184 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:57,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:57,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:57,403 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:57,404 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:57,516 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:48:57,517 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:48:57,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:57,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:57,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:48:57,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1829899854] [2021-02-23 18:48:57,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:48:57,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [] total 71 [2021-02-23 18:48:57,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451910878] [2021-02-23 18:48:57,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-02-23 18:48:57,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:48:57,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-02-23 18:48:57,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1228, Invalid=3742, Unknown=0, NotChecked=0, Total=4970 [2021-02-23 18:48:57,913 INFO L87 Difference]: Start difference. First operand 250 states and 255 transitions. Second operand 71 states. [2021-02-23 18:49:04,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:49:04,933 INFO L93 Difference]: Finished difference Result 297 states and 307 transitions. [2021-02-23 18:49:04,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-02-23 18:49:04,934 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 239 [2021-02-23 18:49:04,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:49:04,936 INFO L225 Difference]: With dead ends: 297 [2021-02-23 18:49:04,936 INFO L226 Difference]: Without dead ends: 260 [2021-02-23 18:49:04,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3459 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=5763, Invalid=13419, Unknown=0, NotChecked=0, Total=19182 [2021-02-23 18:49:04,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-02-23 18:49:04,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 256. [2021-02-23 18:49:04,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2021-02-23 18:49:04,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 261 transitions. [2021-02-23 18:49:04,981 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 261 transitions. Word has length 239 [2021-02-23 18:49:04,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:49:04,982 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 261 transitions. [2021-02-23 18:49:04,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 71 states. [2021-02-23 18:49:04,982 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 261 transitions. [2021-02-23 18:49:04,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-02-23 18:49:04,983 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:49:04,983 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] [2021-02-23 18:49:04,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-02-23 18:49:04,983 INFO L428 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:49:04,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:49:04,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1110628364, now seen corresponding path program 33 times [2021-02-23 18:49:04,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:49:04,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1142889184] [2021-02-23 18:49:04,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:49:04,995 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:49:04,996 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:49:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:49:05,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:05,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:05,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:05,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:05,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:49:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:49:05,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:05,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:05,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:49:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:49:05,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:05,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:05,286 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:49:05,287 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:49:05,297 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,317 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,340 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,341 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,367 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,368 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,392 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,393 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,419 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,420 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,452 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,486 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,487 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,520 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,556 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,557 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,592 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,593 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,631 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,632 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,671 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,673 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,714 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,715 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,758 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,805 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,806 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,853 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,854 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,903 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,903 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:05,952 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:05,953 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,004 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,054 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,055 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,109 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,110 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,163 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,218 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,219 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,277 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,278 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,338 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,339 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,401 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,402 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,463 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,464 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,527 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,528 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,602 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,603 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,668 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,669 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,735 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,736 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,804 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,805 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,876 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:06,952 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:06,953 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:07,020 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:07,021 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:07,083 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:07,083 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:07,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:07,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:07,210 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:07,211 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:07,277 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:07,278 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:07,357 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:07,357 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:07,437 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:07,438 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:07,523 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:07,524 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:07,612 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:07,613 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:07,701 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:07,702 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:07,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:07,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:07,879 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:07,882 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:07,971 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:07,972 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:08,062 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:08,063 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:08,164 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:08,165 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:08,260 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:08,261 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:08,358 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:08,359 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:08,458 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:08,459 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:08,562 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:08,562 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:08,661 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:08,662 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:08,764 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:08,765 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:08,868 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:08,869 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:08,969 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:08,970 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:09,074 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:09,075 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:09,183 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:09,184 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:09,292 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:09,293 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:09,401 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:09,402 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:09,513 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:09,514 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:09,626 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:09,627 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:09,742 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:09,743 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:09,870 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:09,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:09,990 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:09,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:10,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:10,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:49:10,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:49:10,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1142889184] [2021-02-23 18:49:10,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:49:10,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [73] imperfect sequences [] total 73 [2021-02-23 18:49:10,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279102039] [2021-02-23 18:49:10,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-02-23 18:49:10,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:49:10,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-02-23 18:49:10,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1299, Invalid=3957, Unknown=0, NotChecked=0, Total=5256 [2021-02-23 18:49:10,396 INFO L87 Difference]: Start difference. First operand 256 states and 261 transitions. Second operand 73 states. [2021-02-23 18:49:17,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:49:17,626 INFO L93 Difference]: Finished difference Result 303 states and 313 transitions. [2021-02-23 18:49:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-02-23 18:49:17,627 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 245 [2021-02-23 18:49:17,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:49:17,629 INFO L225 Difference]: With dead ends: 303 [2021-02-23 18:49:17,629 INFO L226 Difference]: Without dead ends: 266 [2021-02-23 18:49:17,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3666 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=6107, Invalid=14199, Unknown=0, NotChecked=0, Total=20306 [2021-02-23 18:49:17,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-02-23 18:49:17,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 262. [2021-02-23 18:49:17,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2021-02-23 18:49:17,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 267 transitions. [2021-02-23 18:49:17,685 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 267 transitions. Word has length 245 [2021-02-23 18:49:17,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:49:17,686 INFO L480 AbstractCegarLoop]: Abstraction has 262 states and 267 transitions. [2021-02-23 18:49:17,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 73 states. [2021-02-23 18:49:17,686 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 267 transitions. [2021-02-23 18:49:17,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-02-23 18:49:17,688 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:49:17,688 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] [2021-02-23 18:49:17,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-02-23 18:49:17,688 INFO L428 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:49:17,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:49:17,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1815430952, now seen corresponding path program 34 times [2021-02-23 18:49:17,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:49:17,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971817410] [2021-02-23 18:49:17,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:49:17,700 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:49:17,701 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:49:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:49:17,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:17,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:17,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:17,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:17,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:49:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:49:17,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:17,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:17,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:49:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:49:17,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:17,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:17,954 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:49:17,954 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:49:17,963 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:17,964 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:17,980 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:17,981 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,016 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,017 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,039 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,040 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,064 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,065 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,088 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,089 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,113 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,113 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,173 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,174 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,206 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,207 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,239 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,239 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,274 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,275 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,310 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,347 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,348 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,386 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,389 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,428 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,429 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,469 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,470 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,511 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,512 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,554 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,555 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,598 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,599 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,643 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,644 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,739 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,740 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,841 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,842 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,894 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,895 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:18,947 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:18,948 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,002 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,003 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,058 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,059 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,117 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,118 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,176 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,177 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,235 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,236 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,297 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,359 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,360 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,435 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,500 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,500 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,566 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,567 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,634 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,635 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,703 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,704 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,773 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,774 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,845 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,846 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,918 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,919 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:19,993 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:19,994 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:20,068 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:20,069 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:20,144 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:20,145 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:20,223 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:20,224 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:20,302 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:20,303 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:20,384 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:20,385 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:20,466 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:20,467 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:20,549 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:20,550 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:20,636 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:20,637 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:20,723 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:20,724 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:20,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:20,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:20,914 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:20,915 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:21,004 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:21,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:21,096 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:21,097 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:21,188 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:21,188 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:21,281 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:21,281 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:21,378 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:21,378 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:21,475 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:21,476 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:21,573 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:21,574 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:21,671 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:21,672 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:21,771 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:21,772 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:21,871 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:21,872 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:21,974 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:21,975 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:22,080 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:22,081 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:22,185 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:22,186 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:22,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:22,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:22,413 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:22,414 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:22,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:22,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:49:22,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:49:22,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971817410] [2021-02-23 18:49:22,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:49:22,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [] total 75 [2021-02-23 18:49:22,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303702034] [2021-02-23 18:49:22,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-02-23 18:49:22,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:49:22,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-02-23 18:49:22,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1372, Invalid=4178, Unknown=0, NotChecked=0, Total=5550 [2021-02-23 18:49:22,822 INFO L87 Difference]: Start difference. First operand 262 states and 267 transitions. Second operand 75 states. [2021-02-23 18:49:30,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:49:30,294 INFO L93 Difference]: Finished difference Result 309 states and 319 transitions. [2021-02-23 18:49:30,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-02-23 18:49:30,295 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 251 [2021-02-23 18:49:30,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:49:30,297 INFO L225 Difference]: With dead ends: 309 [2021-02-23 18:49:30,297 INFO L226 Difference]: Without dead ends: 272 [2021-02-23 18:49:30,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3879 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=6461, Invalid=15001, Unknown=0, NotChecked=0, Total=21462 [2021-02-23 18:49:30,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-02-23 18:49:30,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 268. [2021-02-23 18:49:30,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2021-02-23 18:49:30,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 273 transitions. [2021-02-23 18:49:30,370 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 273 transitions. Word has length 251 [2021-02-23 18:49:30,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:49:30,371 INFO L480 AbstractCegarLoop]: Abstraction has 268 states and 273 transitions. [2021-02-23 18:49:30,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 75 states. [2021-02-23 18:49:30,371 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 273 transitions. [2021-02-23 18:49:30,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-02-23 18:49:30,373 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:49:30,373 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] [2021-02-23 18:49:30,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-02-23 18:49:30,373 INFO L428 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:49:30,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:49:30,374 INFO L82 PathProgramCache]: Analyzing trace with hash 697758020, now seen corresponding path program 35 times [2021-02-23 18:49:30,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:49:30,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [574838580] [2021-02-23 18:49:30,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:49:30,385 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:49:30,387 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:49:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:49:30,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:30,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:30,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:30,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:30,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:49:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:49:30,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:30,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:30,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:49:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:49:30,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:30,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:30,671 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:49:30,672 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:49:30,682 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:30,683 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:30,700 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:30,700 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:30,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:30,721 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:30,744 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:30,745 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:30,767 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:30,768 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:30,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:30,791 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:30,822 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:30,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:30,855 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:30,856 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:30,885 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:30,886 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:30,915 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:30,916 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:30,945 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:30,946 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:30,981 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:30,982 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,015 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,015 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,053 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,053 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,093 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,134 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,134 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,174 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,175 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,217 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,218 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,261 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,262 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,308 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,356 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,371 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,417 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,418 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,468 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,469 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,518 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,518 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,570 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,572 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,623 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,624 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,677 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,678 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,734 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,850 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,850 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,909 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,910 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:31,970 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:31,971 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:32,033 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:32,034 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:32,096 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:32,097 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:32,161 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:32,162 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:32,226 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:32,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:32,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:32,294 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:32,362 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:32,362 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:32,431 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:32,432 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:32,502 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:32,503 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:32,574 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:32,574 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:32,649 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:32,650 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:32,724 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:32,725 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:32,800 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:32,804 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:32,891 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:32,892 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:32,975 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:32,976 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:33,053 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:33,053 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:33,136 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:33,137 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:33,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:33,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:33,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:33,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:33,391 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:33,392 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:33,477 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:33,478 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:33,565 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:33,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:33,656 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:33,657 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:33,747 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:33,748 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:33,840 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:33,841 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:33,936 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:33,936 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:34,032 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:34,033 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:34,128 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:34,129 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:34,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:34,226 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:34,337 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:34,338 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:34,438 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:34,439 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:34,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:34,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:34,644 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:34,645 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:34,748 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:34,748 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:34,852 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:34,853 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:34,960 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:34,961 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:35,069 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:35,070 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:35,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:35,182 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:35,295 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:35,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:35,406 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:35,407 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:35,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:35,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:49:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:49:35,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [574838580] [2021-02-23 18:49:35,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:49:35,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [77] imperfect sequences [] total 77 [2021-02-23 18:49:35,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681936278] [2021-02-23 18:49:35,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-02-23 18:49:35,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:49:35,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-02-23 18:49:35,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1447, Invalid=4405, Unknown=0, NotChecked=0, Total=5852 [2021-02-23 18:49:35,845 INFO L87 Difference]: Start difference. First operand 268 states and 273 transitions. Second operand 77 states. [2021-02-23 18:49:43,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:49:43,465 INFO L93 Difference]: Finished difference Result 315 states and 325 transitions. [2021-02-23 18:49:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-02-23 18:49:43,466 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 257 [2021-02-23 18:49:43,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:49:43,467 INFO L225 Difference]: With dead ends: 315 [2021-02-23 18:49:43,468 INFO L226 Difference]: Without dead ends: 278 [2021-02-23 18:49:43,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4098 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=6825, Invalid=15825, Unknown=0, NotChecked=0, Total=22650 [2021-02-23 18:49:43,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-02-23 18:49:43,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 274. [2021-02-23 18:49:43,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2021-02-23 18:49:43,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 279 transitions. [2021-02-23 18:49:43,529 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 279 transitions. Word has length 257 [2021-02-23 18:49:43,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:49:43,530 INFO L480 AbstractCegarLoop]: Abstraction has 274 states and 279 transitions. [2021-02-23 18:49:43,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has 77 states. [2021-02-23 18:49:43,530 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 279 transitions. [2021-02-23 18:49:43,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-02-23 18:49:43,531 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:49:43,532 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] [2021-02-23 18:49:43,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-02-23 18:49:43,532 INFO L428 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:49:43,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:49:43,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1186960992, now seen corresponding path program 36 times [2021-02-23 18:49:43,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:49:43,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979031248] [2021-02-23 18:49:43,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:49:43,544 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:49:43,545 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:49:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:49:43,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:43,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:43,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:43,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:43,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:49:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:49:43,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:43,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:43,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:49:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:49:43,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:43,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:43,827 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:49:43,828 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:49:43,837 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:43,838 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:43,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:43,862 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:43,887 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:43,888 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:43,915 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:43,916 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:43,943 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:43,944 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:43,969 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:43,970 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:43,999 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:43,999 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,030 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,031 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,059 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,059 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,091 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,092 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,125 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,126 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,160 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,161 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,196 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,197 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,233 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,234 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,312 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,313 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,354 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,395 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,396 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,439 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,440 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,486 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,487 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,536 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,585 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,586 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,637 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,638 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,744 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,745 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,799 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,800 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,858 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,914 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,915 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:44,975 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:44,976 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:45,045 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:45,046 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:45,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:45,106 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:45,164 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:45,165 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:45,228 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:45,229 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:45,296 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:45,297 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:45,373 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:45,374 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:45,442 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:45,443 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:45,512 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:45,513 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:45,584 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:45,585 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:45,658 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:45,659 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:45,732 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:45,733 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:45,809 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:45,810 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:45,886 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:45,886 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:45,964 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:45,965 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:46,043 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:46,044 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:46,124 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:46,125 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:46,205 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:46,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:46,288 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:46,289 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:46,372 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:46,372 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:46,458 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:46,459 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:46,546 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:46,547 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:46,635 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:46,636 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:46,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:46,727 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:46,817 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:46,817 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:46,911 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:46,911 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:47,003 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:47,004 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:47,100 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:47,101 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:47,209 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:47,210 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:47,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:47,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:47,407 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:47,408 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:47,508 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:47,509 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:47,611 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:47,612 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:47,717 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:47,717 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:47,822 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:47,822 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:47,929 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:47,930 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:48,037 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:48,038 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:48,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:48,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:48,258 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:48,259 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:48,370 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:48,371 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:48,481 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:48,482 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:48,595 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:48,596 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:48,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:48,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:48,827 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:48,828 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:48,945 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:48,945 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:49,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:49,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:49:49,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:49:49,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979031248] [2021-02-23 18:49:49,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:49:49,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [79] imperfect sequences [] total 79 [2021-02-23 18:49:49,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56374833] [2021-02-23 18:49:49,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-02-23 18:49:49,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:49:49,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-02-23 18:49:49,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1524, Invalid=4638, Unknown=0, NotChecked=0, Total=6162 [2021-02-23 18:49:49,437 INFO L87 Difference]: Start difference. First operand 274 states and 279 transitions. Second operand 79 states. [2021-02-23 18:49:57,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:49:57,528 INFO L93 Difference]: Finished difference Result 321 states and 331 transitions. [2021-02-23 18:49:57,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-02-23 18:49:57,529 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 263 [2021-02-23 18:49:57,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:49:57,531 INFO L225 Difference]: With dead ends: 321 [2021-02-23 18:49:57,531 INFO L226 Difference]: Without dead ends: 284 [2021-02-23 18:49:57,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4323 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=7199, Invalid=16671, Unknown=0, NotChecked=0, Total=23870 [2021-02-23 18:49:57,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-02-23 18:49:57,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 280. [2021-02-23 18:49:57,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2021-02-23 18:49:57,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 285 transitions. [2021-02-23 18:49:57,587 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 285 transitions. Word has length 263 [2021-02-23 18:49:57,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:49:57,587 INFO L480 AbstractCegarLoop]: Abstraction has 280 states and 285 transitions. [2021-02-23 18:49:57,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 79 states. [2021-02-23 18:49:57,588 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 285 transitions. [2021-02-23 18:49:57,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-02-23 18:49:57,589 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:49:57,589 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] [2021-02-23 18:49:57,589 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-02-23 18:49:57,589 INFO L428 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:49:57,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:49:57,589 INFO L82 PathProgramCache]: Analyzing trace with hash 323417724, now seen corresponding path program 37 times [2021-02-23 18:49:57,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:49:57,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177106909] [2021-02-23 18:49:57,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:49:57,599 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:49:57,600 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:49:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:49:57,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:57,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:57,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:57,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:57,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:49:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:49:57,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:57,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:57,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:49:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:49:57,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:49:57,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:49:57,871 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:49:57,872 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:49:57,883 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:57,884 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:57,905 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:57,906 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:57,930 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:57,931 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:57,961 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:57,962 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:57,992 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:57,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,025 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,026 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,058 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,059 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,090 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,091 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,126 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,161 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,162 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,194 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,195 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,230 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,350 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,351 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,396 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,397 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,438 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,439 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,485 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,486 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,531 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,532 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,579 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,579 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,629 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,630 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,681 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,682 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,734 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,735 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,788 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,789 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,846 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,847 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,902 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,902 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:58,960 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:58,961 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:59,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:59,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:59,083 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:59,084 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:59,162 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:59,163 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:59,228 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:59,229 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:59,295 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:59,295 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:59,360 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:59,361 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:59,430 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:59,431 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:59,497 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:59,498 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:59,567 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:59,568 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:59,641 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:59,642 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:59,713 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:59,714 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:59,788 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:59,789 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:59,866 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:59,867 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:49:59,941 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:49:59,942 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:00,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:00,022 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:00,101 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:00,102 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:00,184 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:00,185 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:00,268 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:00,269 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:00,351 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:00,352 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:00,438 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:00,439 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:00,524 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:00,525 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:00,614 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:00,615 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:00,704 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:00,705 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:00,797 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:00,797 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:00,889 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:00,890 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:00,984 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:00,985 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:01,080 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:01,081 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:01,178 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:01,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:01,276 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:01,277 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:01,377 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:01,378 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:01,488 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:01,489 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:01,592 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:01,592 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:01,695 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:01,696 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:01,801 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:01,802 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:01,907 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:01,908 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:02,016 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:02,017 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:02,124 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:02,125 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:02,240 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:02,240 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:02,352 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:02,353 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:02,468 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:02,469 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:02,583 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:02,584 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:02,699 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:02,700 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:02,820 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:02,821 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:02,937 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:02,938 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:03,061 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:03,062 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:03,183 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:03,184 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:03,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:03,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:03,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:03,435 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:03,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:03,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:50:03,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:50:03,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177106909] [2021-02-23 18:50:03,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:50:03,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [81] imperfect sequences [] total 81 [2021-02-23 18:50:03,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574529936] [2021-02-23 18:50:03,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-02-23 18:50:03,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:50:03,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-02-23 18:50:03,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1603, Invalid=4877, Unknown=0, NotChecked=0, Total=6480 [2021-02-23 18:50:03,914 INFO L87 Difference]: Start difference. First operand 280 states and 285 transitions. Second operand 81 states. [2021-02-23 18:50:12,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:50:12,669 INFO L93 Difference]: Finished difference Result 327 states and 337 transitions. [2021-02-23 18:50:12,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-02-23 18:50:12,671 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 269 [2021-02-23 18:50:12,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:50:12,673 INFO L225 Difference]: With dead ends: 327 [2021-02-23 18:50:12,673 INFO L226 Difference]: Without dead ends: 290 [2021-02-23 18:50:12,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4554 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=7583, Invalid=17539, Unknown=0, NotChecked=0, Total=25122 [2021-02-23 18:50:12,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-02-23 18:50:12,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 286. [2021-02-23 18:50:12,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2021-02-23 18:50:12,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 291 transitions. [2021-02-23 18:50:12,739 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 291 transitions. Word has length 269 [2021-02-23 18:50:12,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:50:12,740 INFO L480 AbstractCegarLoop]: Abstraction has 286 states and 291 transitions. [2021-02-23 18:50:12,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 81 states. [2021-02-23 18:50:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 291 transitions. [2021-02-23 18:50:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-02-23 18:50:12,742 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:50:12,742 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] [2021-02-23 18:50:12,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-02-23 18:50:12,742 INFO L428 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:50:12,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:50:12,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1039454616, now seen corresponding path program 38 times [2021-02-23 18:50:12,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:50:12,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2047500249] [2021-02-23 18:50:12,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:50:12,754 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:50:12,755 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:50:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:50:12,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:12,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:50:12,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:12,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:50:12,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:50:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:50:12,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:12,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:50:12,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:50:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:50:13,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:13,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:50:13,015 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:50:13,016 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:50:13,026 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,027 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,048 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,048 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,072 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,073 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,100 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,101 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,128 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,129 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,159 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,160 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,189 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,190 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,221 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,222 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,254 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,255 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,290 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,291 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,328 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,329 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,368 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,369 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,406 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,407 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,487 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,488 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,531 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,532 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,579 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,580 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,626 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,627 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,672 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,673 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,721 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,771 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,771 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,825 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,878 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,878 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:13,947 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:13,948 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:14,004 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:14,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:14,062 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:14,062 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:14,120 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:14,121 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:14,180 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:14,181 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:14,243 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:14,244 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:14,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:14,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:14,371 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:14,372 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:14,436 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:14,437 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:14,507 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:14,508 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:14,577 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:14,578 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:14,656 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:14,657 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:14,732 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:14,733 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:14,821 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:14,822 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:14,903 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:14,904 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:14,984 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:14,985 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:15,059 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:15,060 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:15,136 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:15,137 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:15,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:15,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:15,300 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:15,301 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:15,382 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:15,383 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:15,468 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:15,469 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:15,552 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:15,552 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:15,638 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:15,639 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:15,727 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:15,728 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:15,815 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:15,815 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:15,911 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:15,912 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:16,004 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:16,006 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:16,103 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:16,104 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:16,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:16,204 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:16,316 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:16,317 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:16,416 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:16,417 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:16,516 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:16,517 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:16,621 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:16,622 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:16,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:16,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:16,828 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:16,829 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:16,933 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:16,934 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:17,043 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:17,044 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:17,150 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:17,151 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:17,262 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:17,263 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:17,373 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:17,374 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:17,485 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:17,486 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:17,599 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:17,600 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:17,717 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:17,717 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:17,833 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:17,834 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:17,951 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:17,952 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:18,073 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:18,074 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:18,194 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:18,195 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:18,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:18,319 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:18,441 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:18,442 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:18,579 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:18,580 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:18,708 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:18,709 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:18,835 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:18,836 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:18,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:18,967 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:19,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:19,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:50:19,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:50:19,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2047500249] [2021-02-23 18:50:19,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:50:19,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [83] imperfect sequences [] total 83 [2021-02-23 18:50:19,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428963217] [2021-02-23 18:50:19,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-02-23 18:50:19,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:50:19,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-02-23 18:50:19,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1684, Invalid=5122, Unknown=0, NotChecked=0, Total=6806 [2021-02-23 18:50:19,455 INFO L87 Difference]: Start difference. First operand 286 states and 291 transitions. Second operand 83 states. [2021-02-23 18:50:28,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:50:28,686 INFO L93 Difference]: Finished difference Result 333 states and 343 transitions. [2021-02-23 18:50:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-02-23 18:50:28,687 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 275 [2021-02-23 18:50:28,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:50:28,690 INFO L225 Difference]: With dead ends: 333 [2021-02-23 18:50:28,690 INFO L226 Difference]: Without dead ends: 296 [2021-02-23 18:50:28,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4791 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=7977, Invalid=18429, Unknown=0, NotChecked=0, Total=26406 [2021-02-23 18:50:28,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-02-23 18:50:28,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 292. [2021-02-23 18:50:28,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2021-02-23 18:50:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 297 transitions. [2021-02-23 18:50:28,758 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 297 transitions. Word has length 275 [2021-02-23 18:50:28,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:50:28,758 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 297 transitions. [2021-02-23 18:50:28,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 83 states. [2021-02-23 18:50:28,759 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 297 transitions. [2021-02-23 18:50:28,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-02-23 18:50:28,760 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:50:28,760 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] [2021-02-23 18:50:28,761 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-02-23 18:50:28,761 INFO L428 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:50:28,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:50:28,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1329535052, now seen corresponding path program 39 times [2021-02-23 18:50:28,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:50:28,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [72285035] [2021-02-23 18:50:28,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:50:28,773 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:50:28,774 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:50:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:50:28,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:28,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:50:28,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:28,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:50:28,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:50:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:50:28,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:28,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:50:28,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:50:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:50:29,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:29,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:50:29,064 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:50:29,065 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:50:29,079 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,104 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,105 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,131 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,132 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,161 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,161 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,189 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,190 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,223 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,223 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,256 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,263 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,297 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,335 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,336 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,372 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,373 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,412 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,413 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,452 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,452 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,493 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,494 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,537 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,538 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,583 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,584 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,631 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,632 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,678 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,726 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,776 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,777 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,828 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,829 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,881 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,882 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,935 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,936 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:29,989 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:29,990 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:30,047 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:30,049 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:30,109 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:30,110 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:30,169 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:30,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:30,231 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:30,232 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:30,293 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:30,294 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:30,362 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:30,363 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:30,429 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:30,430 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:30,497 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:30,498 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:30,565 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:30,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:30,639 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:30,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:30,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:30,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:30,784 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:30,784 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:30,861 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:30,862 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:30,939 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:30,940 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:31,016 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:31,017 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:31,094 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:31,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:31,178 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:31,179 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:31,274 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:31,275 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:31,357 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:31,358 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:31,444 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:31,445 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:31,530 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:31,530 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:31,617 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:31,618 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:31,709 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:31,710 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:31,798 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:31,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:31,890 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:31,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:31,987 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:31,988 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:32,082 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:32,083 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:32,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:32,182 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:32,282 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:32,283 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:32,380 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:32,381 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:32,485 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:32,486 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:32,587 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:32,588 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:32,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:32,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:32,798 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:32,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:32,904 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:32,905 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:33,016 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:33,017 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:33,125 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:33,126 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:33,240 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:33,240 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:33,352 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:33,353 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:33,468 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:33,469 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:33,585 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:33,586 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:33,713 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:33,714 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:33,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:33,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:33,952 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:33,953 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:34,077 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:34,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:34,200 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:34,200 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:34,328 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:34,329 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:34,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:34,454 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:34,583 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:34,587 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:34,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:34,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:34,853 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:34,853 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:34,986 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:34,987 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:35,122 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:35,123 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:35,258 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:35,259 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:35,397 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:35,399 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:35,537 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:35,540 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:35,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:35,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:50:36,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:50:36,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [72285035] [2021-02-23 18:50:36,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:50:36,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [85] imperfect sequences [] total 85 [2021-02-23 18:50:36,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128269681] [2021-02-23 18:50:36,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 85 states [2021-02-23 18:50:36,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:50:36,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-02-23 18:50:36,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1767, Invalid=5373, Unknown=0, NotChecked=0, Total=7140 [2021-02-23 18:50:36,077 INFO L87 Difference]: Start difference. First operand 292 states and 297 transitions. Second operand 85 states. [2021-02-23 18:50:46,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:50:46,288 INFO L93 Difference]: Finished difference Result 339 states and 349 transitions. [2021-02-23 18:50:46,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-02-23 18:50:46,290 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 281 [2021-02-23 18:50:46,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:50:46,291 INFO L225 Difference]: With dead ends: 339 [2021-02-23 18:50:46,292 INFO L226 Difference]: Without dead ends: 302 [2021-02-23 18:50:46,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5034 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=8381, Invalid=19341, Unknown=0, NotChecked=0, Total=27722 [2021-02-23 18:50:46,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-02-23 18:50:46,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2021-02-23 18:50:46,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2021-02-23 18:50:46,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 303 transitions. [2021-02-23 18:50:46,363 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 303 transitions. Word has length 281 [2021-02-23 18:50:46,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:50:46,364 INFO L480 AbstractCegarLoop]: Abstraction has 298 states and 303 transitions. [2021-02-23 18:50:46,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has 85 states. [2021-02-23 18:50:46,364 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 303 transitions. [2021-02-23 18:50:46,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-02-23 18:50:46,366 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:50:46,366 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] [2021-02-23 18:50:46,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-02-23 18:50:46,366 INFO L428 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:50:46,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:50:46,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1825765584, now seen corresponding path program 40 times [2021-02-23 18:50:46,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:50:46,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60115428] [2021-02-23 18:50:46,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:50:46,380 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:50:46,381 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:50:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:50:46,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:46,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:50:46,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:46,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:50:46,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:50:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:50:46,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:46,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:50:46,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:50:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:50:46,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:46,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:50:46,667 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:50:46,668 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:50:46,679 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:46,680 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:46,706 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:46,707 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:46,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:46,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:46,762 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:46,763 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:46,793 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:46,794 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:46,826 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:46,827 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:46,860 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:46,861 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:46,896 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:46,897 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:46,934 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:46,935 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:46,973 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:46,974 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,012 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,053 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,054 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,095 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,096 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,140 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,185 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,186 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,236 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,236 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,283 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,284 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,334 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,335 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,387 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,388 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,443 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,444 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,502 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,503 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,561 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,562 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,620 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,621 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,680 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,681 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,740 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,741 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,807 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,807 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,873 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,874 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:47,938 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:47,939 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:48,004 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:48,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:48,075 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:48,076 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:48,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:48,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:48,215 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:48,216 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:48,286 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:48,287 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:48,363 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:48,364 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:48,441 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:48,442 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:48,518 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:48,519 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:48,596 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:48,597 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:48,680 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:48,681 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:48,764 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:48,765 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:48,848 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:48,849 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:48,934 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:48,935 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:49,025 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:49,026 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:49,125 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:49,126 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:49,215 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:49,216 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:49,309 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:49,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:49,404 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:49,404 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:49,495 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:49,496 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:49,593 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:49,594 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:49,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:49,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:49,788 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:49,789 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:49,892 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:49,893 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:49,994 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:49,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:50,096 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:50,098 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:50,207 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:50,208 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:50,313 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:50,314 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:50,421 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:50,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:50,535 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:50,536 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:50,647 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:50,648 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:50,761 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:50,762 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:50,877 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:50,878 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:50,992 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:50,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:51,113 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:51,114 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:51,236 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:51,237 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:51,358 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:51,359 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:51,481 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:51,482 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:51,619 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:51,620 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:51,748 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:51,749 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:51,874 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:51,875 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:52,008 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:52,009 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:52,138 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:52,139 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:52,275 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:52,279 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:52,413 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:52,413 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:52,550 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:52,551 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:52,695 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:52,696 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:52,835 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:52,836 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:52,985 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:52,986 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:53,130 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:53,131 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:53,283 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:53,284 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:53,429 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:53,430 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:53,580 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:53,581 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:53,724 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:50:53,725 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:50:53,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:50:53,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:50:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:50:54,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60115428] [2021-02-23 18:50:54,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:50:54,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [87] imperfect sequences [] total 87 [2021-02-23 18:50:54,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793456255] [2021-02-23 18:50:54,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-02-23 18:50:54,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:50:54,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-02-23 18:50:54,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1852, Invalid=5630, Unknown=0, NotChecked=0, Total=7482 [2021-02-23 18:50:54,285 INFO L87 Difference]: Start difference. First operand 298 states and 303 transitions. Second operand 87 states. [2021-02-23 18:51:05,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:51:05,340 INFO L93 Difference]: Finished difference Result 345 states and 355 transitions. [2021-02-23 18:51:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-02-23 18:51:05,342 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 287 [2021-02-23 18:51:05,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:51:05,344 INFO L225 Difference]: With dead ends: 345 [2021-02-23 18:51:05,344 INFO L226 Difference]: Without dead ends: 308 [2021-02-23 18:51:05,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5283 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=8795, Invalid=20275, Unknown=0, NotChecked=0, Total=29070 [2021-02-23 18:51:05,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-02-23 18:51:05,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 304. [2021-02-23 18:51:05,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2021-02-23 18:51:05,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 309 transitions. [2021-02-23 18:51:05,399 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 309 transitions. Word has length 287 [2021-02-23 18:51:05,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:51:05,399 INFO L480 AbstractCegarLoop]: Abstraction has 304 states and 309 transitions. [2021-02-23 18:51:05,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 87 states. [2021-02-23 18:51:05,399 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 309 transitions. [2021-02-23 18:51:05,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-02-23 18:51:05,401 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:51:05,401 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] [2021-02-23 18:51:05,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-02-23 18:51:05,402 INFO L428 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:51:05,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:51:05,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1719846124, now seen corresponding path program 41 times [2021-02-23 18:51:05,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:51:05,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785416948] [2021-02-23 18:51:05,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:51:05,416 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:51:05,417 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:51:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:51:05,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:51:05,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:51:05,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:51:05,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:51:05,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:51:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:51:05,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:51:05,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:51:05,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:51:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:51:05,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:51:05,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:51:05,694 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:51:05,695 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:51:05,708 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:05,710 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:05,738 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:05,738 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:05,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:05,766 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:05,797 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:05,798 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:05,829 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:05,830 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:05,864 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:05,865 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:05,899 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:05,900 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:05,937 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:05,938 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:05,978 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:05,979 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,020 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,021 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,063 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,064 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,108 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,109 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,153 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,154 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,200 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,201 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,249 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,250 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,301 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,302 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,354 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,410 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,411 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,464 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,465 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,521 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,522 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,580 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,581 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,641 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,641 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,705 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,706 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,768 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,769 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,832 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,833 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,899 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,900 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:06,968 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:06,969 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:07,041 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:07,042 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:07,115 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:07,116 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:07,188 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:07,189 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:07,263 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:07,264 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:07,343 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:07,344 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:07,423 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:07,424 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:07,520 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:07,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:07,600 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:07,601 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:07,686 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:07,687 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:07,771 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:07,772 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:07,857 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:07,858 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:07,943 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:07,944 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:08,037 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:08,038 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:08,129 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:08,130 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:08,222 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:08,224 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:08,317 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:08,317 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:08,416 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:08,417 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:08,512 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:08,513 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:08,610 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:08,611 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:08,713 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:08,714 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:08,815 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:08,816 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:08,920 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:08,921 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:09,027 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:09,028 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:09,136 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:09,136 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:09,244 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:09,245 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:09,358 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:09,359 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:09,472 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:09,473 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:09,585 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:09,586 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:09,703 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:09,704 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:09,822 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:09,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:09,939 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:09,940 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:10,064 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:10,065 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:10,200 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:10,201 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:10,323 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:10,324 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:10,451 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:10,452 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:10,577 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:10,578 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:10,710 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:10,711 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:10,842 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:10,843 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:10,977 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:10,978 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:11,115 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:11,116 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:11,249 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:11,250 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:11,388 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:11,389 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:11,520 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:11,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:11,659 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:11,660 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:11,801 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:11,802 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:11,938 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:11,939 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:12,089 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:12,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:12,242 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:12,243 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:12,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:12,401 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:12,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:12,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:12,710 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:12,711 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:12,878 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:12,879 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:13,035 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:13,036 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:13,197 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:13,198 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:13,359 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:13,361 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:13,523 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:13,524 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:13,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:51:13,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:51:14,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:51:14,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785416948] [2021-02-23 18:51:14,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:51:14,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [89] imperfect sequences [] total 89 [2021-02-23 18:51:14,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938465766] [2021-02-23 18:51:14,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-02-23 18:51:14,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:51:14,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-02-23 18:51:14,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1939, Invalid=5893, Unknown=0, NotChecked=0, Total=7832 [2021-02-23 18:51:14,105 INFO L87 Difference]: Start difference. First operand 304 states and 309 transitions. Second operand 89 states. [2021-02-23 18:51:26,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:51:26,336 INFO L93 Difference]: Finished difference Result 351 states and 361 transitions. [2021-02-23 18:51:26,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2021-02-23 18:51:26,338 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 293 [2021-02-23 18:51:26,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:51:26,340 INFO L225 Difference]: With dead ends: 351 [2021-02-23 18:51:26,340 INFO L226 Difference]: Without dead ends: 314 [2021-02-23 18:51:26,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5538 ImplicationChecksByTransitivity, 18.6s TimeCoverageRelationStatistics Valid=9219, Invalid=21231, Unknown=0, NotChecked=0, Total=30450 [2021-02-23 18:51:26,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-02-23 18:51:26,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 310. [2021-02-23 18:51:26,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2021-02-23 18:51:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 315 transitions. [2021-02-23 18:51:26,407 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 315 transitions. Word has length 293 [2021-02-23 18:51:26,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:51:26,408 INFO L480 AbstractCegarLoop]: Abstraction has 310 states and 315 transitions. [2021-02-23 18:51:26,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 89 states. [2021-02-23 18:51:26,408 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 315 transitions. [2021-02-23 18:51:26,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-02-23 18:51:26,410 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:51:26,410 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] [2021-02-23 18:51:26,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-02-23 18:51:26,410 INFO L428 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:51:26,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:51:26,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1633160200, now seen corresponding path program 42 times [2021-02-23 18:51:26,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:51:26,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176722707] [2021-02-23 18:51:26,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:51:26,423 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:51:26,425 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:51:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:51:26,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:51:26,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:51:26,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:51:26,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:51:26,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:51:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:51:26,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:51:26,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:51:26,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:51:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:51:26,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:51:26,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:51:26,823 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:51:26,824 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:51:26,842 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:26,843 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:26,876 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:26,878 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:26,912 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:26,913 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:26,944 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:26,945 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:26,982 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:26,983 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,063 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,064 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,108 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,109 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,154 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,155 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,205 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,255 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,256 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,309 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,362 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,363 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,413 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,420 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,478 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,536 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,592 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,593 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,649 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,650 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,708 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,709 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,770 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,771 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,835 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,901 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:27,965 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:27,966 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:28,032 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:28,033 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:28,102 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:28,103 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:28,177 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:28,178 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:28,253 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:28,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:28,329 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:28,330 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:28,405 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:28,406 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:28,483 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:28,484 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:28,565 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:28,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:28,653 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:28,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:28,735 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:28,736 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:28,820 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:28,821 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:28,907 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:28,908 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:28,997 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:28,998 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:29,087 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:29,088 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:29,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:29,182 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:29,277 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:29,278 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:29,375 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:29,376 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:29,471 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:29,472 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:29,568 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:29,569 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:29,686 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:29,687 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:29,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:29,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:29,894 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:29,895 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:30,001 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:30,002 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:30,112 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:30,113 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:30,219 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:30,220 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:30,328 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:30,329 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:30,447 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:30,448 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:30,561 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:30,562 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:30,677 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:30,678 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:30,799 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:30,801 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:30,921 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:30,922 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:31,042 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:31,043 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:31,170 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:31,172 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:31,297 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:31,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:31,422 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:31,423 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:31,557 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:31,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:31,687 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:31,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:31,819 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:31,820 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:31,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:31,959 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:32,098 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:32,100 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:32,235 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:32,236 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:32,378 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:32,379 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:32,527 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:32,528 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:32,671 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:32,672 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:32,810 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:32,811 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:32,956 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:32,957 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:33,111 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:33,113 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:33,264 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:33,265 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:33,424 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:33,425 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:33,579 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:33,580 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:33,744 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:33,745 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:33,904 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:33,905 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:34,066 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:34,067 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:34,233 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:34,234 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:34,396 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:34,397 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:34,566 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:34,567 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:34,731 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:34,732 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:34,907 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:34,908 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:35,080 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:35,081 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:35,257 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:35,258 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:35,447 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:35,448 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:35,628 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:35,629 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:35,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:51:35,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:51:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:51:36,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1176722707] [2021-02-23 18:51:36,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:51:36,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [91] imperfect sequences [] total 91 [2021-02-23 18:51:36,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547286402] [2021-02-23 18:51:36,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 91 states [2021-02-23 18:51:36,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:51:36,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2021-02-23 18:51:36,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2028, Invalid=6162, Unknown=0, NotChecked=0, Total=8190 [2021-02-23 18:51:36,252 INFO L87 Difference]: Start difference. First operand 310 states and 315 transitions. Second operand 91 states. [2021-02-23 18:51:50,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:51:50,495 INFO L93 Difference]: Finished difference Result 357 states and 367 transitions. [2021-02-23 18:51:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-02-23 18:51:50,497 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 299 [2021-02-23 18:51:50,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:51:50,499 INFO L225 Difference]: With dead ends: 357 [2021-02-23 18:51:50,499 INFO L226 Difference]: Without dead ends: 320 [2021-02-23 18:51:50,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5799 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=9653, Invalid=22209, Unknown=0, NotChecked=0, Total=31862 [2021-02-23 18:51:50,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-02-23 18:51:50,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 316. [2021-02-23 18:51:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2021-02-23 18:51:50,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 321 transitions. [2021-02-23 18:51:50,584 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 321 transitions. Word has length 299 [2021-02-23 18:51:50,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:51:50,584 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 321 transitions. [2021-02-23 18:51:50,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 91 states. [2021-02-23 18:51:50,584 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 321 transitions. [2021-02-23 18:51:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-02-23 18:51:50,586 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:51:50,587 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] [2021-02-23 18:51:50,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-02-23 18:51:50,587 INFO L428 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:51:50,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:51:50,588 INFO L82 PathProgramCache]: Analyzing trace with hash -871723484, now seen corresponding path program 43 times [2021-02-23 18:51:50,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:51:50,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700670817] [2021-02-23 18:51:50,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:51:50,601 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:51:50,603 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:51:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:51:50,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:51:50,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:51:50,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:51:50,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:51:50,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:51:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:51:50,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:51:50,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:51:50,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:51:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:51:50,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:51:50,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:51:50,982 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:51:50,983 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:51:50,998 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:50,999 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,040 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,041 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,080 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,081 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,121 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,122 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,165 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,167 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,213 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,263 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,264 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,315 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,316 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,366 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,367 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,417 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,418 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,469 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,470 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,523 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,524 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,576 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,577 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,632 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,633 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,688 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,689 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,749 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,810 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,879 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,880 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:51,945 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:51,946 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:52,014 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:52,015 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:52,081 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:52,082 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:52,152 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:52,153 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:52,228 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:52,229 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:52,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:52,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:52,383 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:52,384 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:52,460 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:52,461 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:52,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:52,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:52,624 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:52,625 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:52,713 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:52,714 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:52,798 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:52,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:52,886 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:52,887 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:52,979 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:52,980 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:53,074 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:53,075 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:53,168 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:53,169 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:53,263 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:53,264 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:53,379 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:53,379 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:53,484 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:53,486 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:53,594 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:53,595 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:53,695 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:53,696 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:53,799 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:53,800 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:53,911 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:53,912 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:54,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:54,022 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:54,131 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:54,133 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:54,252 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:54,253 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:54,371 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:54,372 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:54,486 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:54,487 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:54,602 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:54,603 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:54,727 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:54,728 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:54,849 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:54,850 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:54,975 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:54,976 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:55,103 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:55,104 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:55,231 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:55,232 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:55,363 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:55,365 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:55,502 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:55,503 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:55,640 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:55,641 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:55,775 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:55,776 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:55,915 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:55,916 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:56,059 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:56,061 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:56,202 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:56,203 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:56,353 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:56,354 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:56,513 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:56,514 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:56,665 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:56,666 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:56,820 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:56,821 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:56,976 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:56,977 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:57,131 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:57,132 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:57,291 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:57,293 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:57,452 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:57,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:57,615 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:57,616 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:57,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:57,775 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:57,939 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:57,940 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:58,113 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:58,115 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:58,285 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:58,286 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:58,460 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:58,461 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:58,632 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:58,633 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:58,813 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:58,814 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:58,990 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:58,991 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:59,168 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:59,168 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:59,355 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:59,356 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:59,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:59,542 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:59,745 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:59,746 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:51:59,929 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:51:59,930 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:00,125 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:00,126 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:00,318 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:00,319 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:00,515 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:00,516 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:00,706 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:00,707 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:00,909 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:00,911 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:01,111 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:01,112 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:01,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:52:01,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:52:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:52:01,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [700670817] [2021-02-23 18:52:01,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:52:01,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [93] imperfect sequences [] total 93 [2021-02-23 18:52:01,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284544802] [2021-02-23 18:52:01,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 93 states [2021-02-23 18:52:01,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:52:01,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-02-23 18:52:01,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2119, Invalid=6437, Unknown=0, NotChecked=0, Total=8556 [2021-02-23 18:52:01,787 INFO L87 Difference]: Start difference. First operand 316 states and 321 transitions. Second operand 93 states. [2021-02-23 18:52:17,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:52:17,470 INFO L93 Difference]: Finished difference Result 363 states and 373 transitions. [2021-02-23 18:52:17,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-02-23 18:52:17,473 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 305 [2021-02-23 18:52:17,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:52:17,475 INFO L225 Difference]: With dead ends: 363 [2021-02-23 18:52:17,475 INFO L226 Difference]: Without dead ends: 326 [2021-02-23 18:52:17,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6066 ImplicationChecksByTransitivity, 24.2s TimeCoverageRelationStatistics Valid=10097, Invalid=23209, Unknown=0, NotChecked=0, Total=33306 [2021-02-23 18:52:17,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-02-23 18:52:17,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 322. [2021-02-23 18:52:17,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2021-02-23 18:52:17,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 327 transitions. [2021-02-23 18:52:17,538 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 327 transitions. Word has length 305 [2021-02-23 18:52:17,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:52:17,539 INFO L480 AbstractCegarLoop]: Abstraction has 322 states and 327 transitions. [2021-02-23 18:52:17,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 93 states. [2021-02-23 18:52:17,539 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 327 transitions. [2021-02-23 18:52:17,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-02-23 18:52:17,540 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:52:17,541 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] [2021-02-23 18:52:17,541 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-02-23 18:52:17,541 INFO L428 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:52:17,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:52:17,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1669199040, now seen corresponding path program 44 times [2021-02-23 18:52:17,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:52:17,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1385921458] [2021-02-23 18:52:17,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:52:17,560 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:52:17,561 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:52:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:52:17,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:52:17,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:52:17,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:52:17,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:52:17,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:52:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:52:17,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:52:17,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:52:17,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:52:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:52:17,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:52:17,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:52:17,901 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:52:17,902 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:52:17,924 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:17,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:17,972 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:17,974 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,029 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,031 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,087 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,088 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,148 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,204 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,260 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,261 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,322 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,324 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,389 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,391 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,505 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,506 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,564 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,625 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,627 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,713 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,714 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,786 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,787 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,853 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,854 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,922 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,923 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:18,996 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:18,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:19,068 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:19,069 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:19,143 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:19,144 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:19,215 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:19,216 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:19,292 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:19,293 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:19,374 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:19,375 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:19,463 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:19,464 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:19,552 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:19,553 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:19,643 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:19,645 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:19,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:19,735 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:19,832 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:19,833 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:19,927 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:19,929 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:20,025 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:20,026 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:20,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:20,125 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:20,224 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:20,225 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:20,331 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:20,332 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:20,435 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:20,436 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:20,545 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:20,546 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:20,657 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:20,658 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:20,769 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:20,770 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:20,888 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:20,889 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:21,006 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:21,007 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:21,121 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:21,122 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:21,242 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:21,243 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:21,368 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:21,369 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:21,490 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:21,492 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:21,617 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:21,618 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:21,745 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:21,746 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:21,876 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:21,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:22,001 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:22,002 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:22,154 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:22,155 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:22,286 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:22,287 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:22,424 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:22,425 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:22,564 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:22,565 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:22,701 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:22,703 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:22,847 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:22,848 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:22,994 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:22,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:23,144 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:23,145 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:23,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:23,296 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:23,451 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:23,451 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:23,608 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:23,610 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:23,769 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:23,770 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:23,931 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:23,932 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:24,097 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:24,098 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:24,259 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:24,261 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:24,428 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:24,429 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:24,597 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:24,598 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:24,769 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:24,770 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:24,951 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:24,952 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:25,131 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:25,132 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:25,316 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:25,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:25,504 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:25,505 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:25,695 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:25,697 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:25,869 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:25,870 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:26,036 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:26,037 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:26,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:26,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:26,428 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:26,429 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:26,627 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:26,628 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:26,835 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:26,836 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:27,037 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:27,038 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:27,246 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:27,247 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:27,456 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:27,458 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:27,668 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:27,669 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:27,885 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:27,887 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:28,101 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:28,103 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:28,321 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:28,322 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:28,544 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:28,545 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:28,755 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:28,757 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:29,033 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:29,034 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:29,323 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:29,325 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:29,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:29,548 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:29,791 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:29,792 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:30,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:52:30,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:52:30,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:52:30,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1385921458] [2021-02-23 18:52:30,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:52:30,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [95] imperfect sequences [] total 95 [2021-02-23 18:52:30,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362968481] [2021-02-23 18:52:30,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 95 states [2021-02-23 18:52:30,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:52:30,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2021-02-23 18:52:30,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2212, Invalid=6718, Unknown=0, NotChecked=0, Total=8930 [2021-02-23 18:52:30,540 INFO L87 Difference]: Start difference. First operand 322 states and 327 transitions. Second operand 95 states. [2021-02-23 18:52:48,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:52:48,525 INFO L93 Difference]: Finished difference Result 369 states and 379 transitions. [2021-02-23 18:52:48,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-02-23 18:52:48,528 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 311 [2021-02-23 18:52:48,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:52:48,530 INFO L225 Difference]: With dead ends: 369 [2021-02-23 18:52:48,530 INFO L226 Difference]: Without dead ends: 332 [2021-02-23 18:52:48,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6339 ImplicationChecksByTransitivity, 28.0s TimeCoverageRelationStatistics Valid=10551, Invalid=24231, Unknown=0, NotChecked=0, Total=34782 [2021-02-23 18:52:48,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-02-23 18:52:48,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 328. [2021-02-23 18:52:48,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2021-02-23 18:52:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 333 transitions. [2021-02-23 18:52:48,608 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 333 transitions. Word has length 311 [2021-02-23 18:52:48,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:52:48,609 INFO L480 AbstractCegarLoop]: Abstraction has 328 states and 333 transitions. [2021-02-23 18:52:48,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 95 states. [2021-02-23 18:52:48,609 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 333 transitions. [2021-02-23 18:52:48,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-02-23 18:52:48,610 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:52:48,611 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] [2021-02-23 18:52:48,611 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-02-23 18:52:48,611 INFO L428 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:52:48,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:52:48,612 INFO L82 PathProgramCache]: Analyzing trace with hash 735462236, now seen corresponding path program 45 times [2021-02-23 18:52:48,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:52:48,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [937642366] [2021-02-23 18:52:48,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:52:48,630 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:52:48,631 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:52:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:52:48,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:52:48,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:52:48,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:52:48,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:52:48,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:52:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:52:48,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:52:48,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:52:48,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:52:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:52:48,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:52:48,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:52:48,963 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:52:48,964 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:52:48,991 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:48,992 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:49,048 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:49,049 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:49,103 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:49,104 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:49,152 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:49,154 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:49,206 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:49,207 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:49,261 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:49,262 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:49,315 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:49,317 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:49,376 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:49,378 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:49,437 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:49,439 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:49,499 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:49,501 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:49,566 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:49,567 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:49,635 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:49,637 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:49,735 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:49,736 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:49,811 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:49,812 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:49,884 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:49,885 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:49,960 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:49,962 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:50,039 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:50,040 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:50,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:50,124 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:50,211 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:50,212 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:50,298 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:50,299 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:50,383 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:50,385 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:50,476 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:50,478 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:50,577 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:50,579 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:50,676 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:50,678 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:50,777 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:50,779 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:50,879 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:50,880 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:50,982 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:50,983 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:51,089 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:51,091 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:51,198 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:51,199 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:51,310 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:51,312 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:51,419 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:51,421 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:51,537 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:51,538 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:51,655 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:51,656 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:51,773 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:51,774 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:51,887 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:51,888 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:52,015 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:52,016 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:52,147 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:52,148 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:52,278 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:52,279 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:52,409 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:52,410 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:52,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:52,548 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:52,689 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:52,690 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:52,829 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:52,831 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:52,966 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:52,967 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:53,114 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:53,115 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:53,263 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:53,264 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:53,414 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:53,415 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:53,567 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:53,568 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:53,749 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:53,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:53,905 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:53,906 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:54,064 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:54,066 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:54,223 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:54,224 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:54,386 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:54,387 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:54,560 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:54,561 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:54,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:54,733 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:54,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:54,902 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:55,067 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:55,069 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:55,250 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:55,251 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:55,430 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:55,432 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:55,612 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:55,616 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:55,797 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:55,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:55,980 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:55,982 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:56,168 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:56,169 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:56,353 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:56,354 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:56,545 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:56,546 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:56,747 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:56,748 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:56,950 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:56,951 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:57,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:57,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:57,352 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:57,353 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:57,559 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:57,560 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:57,789 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:57,791 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:57,994 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:57,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:58,208 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:58,210 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:58,428 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:58,429 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:58,639 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:58,640 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:58,858 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:58,859 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:59,081 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:59,082 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:59,304 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:59,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:59,530 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:59,531 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:59,758 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:59,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:52:59,995 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:52:59,996 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:00,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:00,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:00,462 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:00,464 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:00,704 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:00,706 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:00,953 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:00,954 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:01,192 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:01,193 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:01,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:01,448 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:01,716 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:01,717 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:01,969 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:01,971 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:02,226 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:02,227 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:02,491 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:02,492 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:02,768 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:02,770 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:03,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:53:03,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:53:03,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:53:03,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [937642366] [2021-02-23 18:53:03,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:53:03,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [97] imperfect sequences [] total 97 [2021-02-23 18:53:03,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804697078] [2021-02-23 18:53:03,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 97 states [2021-02-23 18:53:03,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:53:03,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-02-23 18:53:03,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2307, Invalid=7005, Unknown=0, NotChecked=0, Total=9312 [2021-02-23 18:53:03,556 INFO L87 Difference]: Start difference. First operand 328 states and 333 transitions. Second operand 97 states. [2021-02-23 18:53:25,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:53:25,929 INFO L93 Difference]: Finished difference Result 375 states and 385 transitions. [2021-02-23 18:53:25,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-02-23 18:53:25,933 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 317 [2021-02-23 18:53:25,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:53:25,935 INFO L225 Difference]: With dead ends: 375 [2021-02-23 18:53:25,936 INFO L226 Difference]: Without dead ends: 338 [2021-02-23 18:53:25,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6618 ImplicationChecksByTransitivity, 32.8s TimeCoverageRelationStatistics Valid=11015, Invalid=25275, Unknown=0, NotChecked=0, Total=36290 [2021-02-23 18:53:25,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2021-02-23 18:53:26,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 334. [2021-02-23 18:53:26,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2021-02-23 18:53:26,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 339 transitions. [2021-02-23 18:53:26,054 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 339 transitions. Word has length 317 [2021-02-23 18:53:26,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:53:26,055 INFO L480 AbstractCegarLoop]: Abstraction has 334 states and 339 transitions. [2021-02-23 18:53:26,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 97 states. [2021-02-23 18:53:26,055 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 339 transitions. [2021-02-23 18:53:26,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-02-23 18:53:26,057 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:53:26,058 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] [2021-02-23 18:53:26,058 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-02-23 18:53:26,058 INFO L428 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:53:26,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:53:26,059 INFO L82 PathProgramCache]: Analyzing trace with hash 307164792, now seen corresponding path program 46 times [2021-02-23 18:53:26,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:53:26,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1340150097] [2021-02-23 18:53:26,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:53:26,078 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:53:26,080 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:53:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:53:26,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:53:26,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:53:26,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:53:26,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:53:26,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:53:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:53:26,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:53:26,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:53:26,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:53:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:53:26,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:53:26,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:53:26,499 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:53:26,501 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:53:26,522 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:26,523 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:26,568 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:26,570 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:26,621 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:26,623 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:26,679 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:26,680 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:26,737 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:26,738 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:26,796 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:26,797 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:26,856 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:26,857 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:26,921 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:26,922 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:26,985 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:26,986 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:27,054 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:27,056 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:27,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:27,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:27,201 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:27,203 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:27,280 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:27,281 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:27,364 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:27,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:27,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:27,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:27,524 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:27,526 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:27,611 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:27,614 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:27,705 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:27,707 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:27,797 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:27,799 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:27,891 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:27,892 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:27,985 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:27,986 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:28,082 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:28,083 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:28,183 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:28,184 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:28,286 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:28,288 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:28,395 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:28,397 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:28,505 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:28,506 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:28,612 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:28,613 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:28,753 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:28,755 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:28,872 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:28,874 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:28,994 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:28,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:29,115 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:29,117 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:29,242 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:29,243 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:29,364 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:29,366 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:29,498 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:29,499 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:29,630 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:29,634 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:29,801 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:29,803 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:29,973 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:29,975 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:30,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:30,143 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:30,292 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:30,294 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:30,435 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:30,437 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:30,580 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:30,581 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:30,727 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:30,728 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:30,868 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:30,869 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:31,015 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:31,017 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:31,182 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:31,184 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:31,346 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:31,348 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:31,514 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:31,515 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:31,686 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:31,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:31,854 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:31,855 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:32,024 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:32,026 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:32,201 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:32,202 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:32,381 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:32,382 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:32,560 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:32,561 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:32,742 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:32,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:32,912 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:32,913 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:33,116 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:33,118 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:33,289 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:33,290 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:33,458 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:33,459 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:33,636 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:33,638 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:33,843 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:33,845 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:34,049 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:34,050 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:34,255 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:34,256 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:34,471 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:34,473 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:34,686 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:34,688 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:34,907 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:34,908 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:35,127 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:35,129 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:35,350 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:35,352 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:35,576 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:35,578 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:35,802 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:35,803 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:36,033 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:36,035 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:36,271 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:36,273 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:36,507 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:36,508 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:36,751 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:36,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:36,992 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:36,994 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:37,220 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:37,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:37,481 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:37,482 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:37,733 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:37,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:37,989 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:37,991 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:38,244 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:38,246 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:38,502 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:38,504 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:38,761 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:38,762 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:39,028 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:39,029 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:39,295 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:39,296 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:39,565 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:39,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:39,844 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:39,845 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:40,114 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:40,115 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:40,395 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:40,397 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:40,675 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:40,676 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:40,953 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:40,954 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:41,252 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:41,253 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:41,537 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:41,539 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:41,850 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:41,851 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:42,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:53:42,140 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:53:42,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:53:42,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:53:42,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:53:42,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1340150097] [2021-02-23 18:53:42,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:53:42,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [99] imperfect sequences [] total 99 [2021-02-23 18:53:42,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080805514] [2021-02-23 18:53:42,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 99 states [2021-02-23 18:53:42,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:53:42,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2021-02-23 18:53:42,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2404, Invalid=7298, Unknown=0, NotChecked=0, Total=9702 [2021-02-23 18:53:42,979 INFO L87 Difference]: Start difference. First operand 334 states and 339 transitions. Second operand 99 states. [2021-02-23 18:54:07,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:54:07,091 INFO L93 Difference]: Finished difference Result 381 states and 391 transitions. [2021-02-23 18:54:07,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-02-23 18:54:07,094 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 323 [2021-02-23 18:54:07,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:54:07,097 INFO L225 Difference]: With dead ends: 381 [2021-02-23 18:54:07,097 INFO L226 Difference]: Without dead ends: 344 [2021-02-23 18:54:07,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6903 ImplicationChecksByTransitivity, 37.2s TimeCoverageRelationStatistics Valid=11489, Invalid=26341, Unknown=0, NotChecked=0, Total=37830 [2021-02-23 18:54:07,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-02-23 18:54:07,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 340. [2021-02-23 18:54:07,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2021-02-23 18:54:07,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 345 transitions. [2021-02-23 18:54:07,206 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 345 transitions. Word has length 323 [2021-02-23 18:54:07,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:54:07,207 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 345 transitions. [2021-02-23 18:54:07,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 99 states. [2021-02-23 18:54:07,207 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 345 transitions. [2021-02-23 18:54:07,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-02-23 18:54:07,209 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:54:07,210 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] [2021-02-23 18:54:07,210 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-02-23 18:54:07,210 INFO L428 AbstractCegarLoop]: === Iteration 50 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:54:07,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:54:07,211 INFO L82 PathProgramCache]: Analyzing trace with hash 56878228, now seen corresponding path program 47 times [2021-02-23 18:54:07,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:54:07,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [275650910] [2021-02-23 18:54:07,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:54:07,229 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:54:07,231 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:54:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:54:07,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:54:07,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:54:07,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:54:07,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:54:07,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:54:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:54:07,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:54:07,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:54:07,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:54:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:54:07,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:54:07,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:54:07,748 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:54:07,750 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:54:07,781 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:07,783 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:07,858 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:07,860 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:07,935 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:07,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:08,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:08,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:08,105 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:08,107 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:08,199 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:08,200 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:08,285 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:08,288 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:08,380 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:08,382 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:08,477 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:08,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:08,578 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:08,581 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:08,676 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:08,677 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:08,758 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:08,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:08,845 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:08,846 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:08,934 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:08,936 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:09,025 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:09,027 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:09,119 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:09,121 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:09,215 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:09,217 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:09,315 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:09,317 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:09,420 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:09,422 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:09,532 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:09,533 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:09,640 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:09,641 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:09,751 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:09,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:09,863 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:09,864 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:09,981 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:09,982 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:10,100 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:10,101 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:10,223 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:10,224 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:10,347 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:10,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:10,474 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:10,476 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:10,604 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:10,606 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:10,736 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:10,737 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:10,873 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:10,875 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:11,008 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:11,010 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:11,154 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:11,156 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:11,297 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:11,299 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:11,448 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:11,450 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:11,602 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:11,603 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:11,757 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:11,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:11,919 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:11,920 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:12,079 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:12,080 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:12,238 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:12,240 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:12,406 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:12,407 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:12,579 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:12,580 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:12,751 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:12,753 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:12,928 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:12,929 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:13,108 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:13,112 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:13,291 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:13,292 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:13,469 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:13,471 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:13,649 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:13,650 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:13,839 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:13,841 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:14,029 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:14,030 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:14,219 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:14,220 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:14,417 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:14,419 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:14,621 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:14,623 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:14,817 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:14,819 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:15,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:15,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:15,226 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:15,228 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:15,435 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:15,436 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:15,672 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:15,673 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:15,884 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:15,885 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:16,099 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:16,101 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:16,316 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:16,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:16,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:16,540 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:16,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:16,769 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:17,008 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:17,009 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:17,235 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:17,236 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:17,474 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:17,476 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:17,711 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:17,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:17,955 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:17,957 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:18,204 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:18,205 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:18,448 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:18,450 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:18,699 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:18,701 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:18,957 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:18,958 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:19,214 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:19,216 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:19,464 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:19,465 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:19,720 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:19,722 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:19,991 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:19,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:20,256 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:20,258 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:20,549 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:20,551 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:20,821 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:20,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:21,097 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:21,099 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:21,370 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:21,371 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:21,655 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:21,656 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:21,940 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:21,941 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:22,226 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:22,228 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:22,533 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:22,535 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:22,829 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:22,831 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:23,118 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:23,120 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:23,420 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:23,421 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:23,721 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:23,723 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:24,026 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:24,028 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:24,331 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:24,332 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:24,644 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:24,646 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:24,954 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:24,956 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:25,296 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:25,298 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:25,603 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:25,604 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:25,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:54:25,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:54:26,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:54:26,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [275650910] [2021-02-23 18:54:26,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:54:26,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [101] imperfect sequences [] total 101 [2021-02-23 18:54:26,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578807036] [2021-02-23 18:54:26,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-02-23 18:54:26,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:54:26,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-02-23 18:54:26,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2503, Invalid=7597, Unknown=0, NotChecked=0, Total=10100 [2021-02-23 18:54:26,504 INFO L87 Difference]: Start difference. First operand 340 states and 345 transitions. Second operand 101 states. [2021-02-23 18:54:53,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:54:53,427 INFO L93 Difference]: Finished difference Result 387 states and 397 transitions. [2021-02-23 18:54:53,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-02-23 18:54:53,431 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 329 [2021-02-23 18:54:53,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:54:53,434 INFO L225 Difference]: With dead ends: 387 [2021-02-23 18:54:53,434 INFO L226 Difference]: Without dead ends: 350 [2021-02-23 18:54:53,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7194 ImplicationChecksByTransitivity, 42.0s TimeCoverageRelationStatistics Valid=11973, Invalid=27429, Unknown=0, NotChecked=0, Total=39402 [2021-02-23 18:54:53,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-02-23 18:54:53,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 346. [2021-02-23 18:54:53,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2021-02-23 18:54:53,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 351 transitions. [2021-02-23 18:54:53,537 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 351 transitions. Word has length 329 [2021-02-23 18:54:53,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:54:53,538 INFO L480 AbstractCegarLoop]: Abstraction has 346 states and 351 transitions. [2021-02-23 18:54:53,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 101 states. [2021-02-23 18:54:53,538 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 351 transitions. [2021-02-23 18:54:53,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-02-23 18:54:53,540 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:54:53,540 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] [2021-02-23 18:54:53,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-02-23 18:54:53,540 INFO L428 AbstractCegarLoop]: === Iteration 51 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:54:53,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:54:53,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1447244368, now seen corresponding path program 48 times [2021-02-23 18:54:53,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:54:53,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1778633134] [2021-02-23 18:54:53,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:54:53,555 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:54:53,557 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:54:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:54:53,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:54:53,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:54:53,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:54:53,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:54:53,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:54:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:54:53,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:54:53,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:54:53,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:54:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:54:53,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:54:53,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:54:53,909 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:54:53,910 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:54:53,943 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:53,945 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:54,020 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:54,021 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:54,104 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:54,106 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:54,186 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:54,188 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:54,267 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:54,269 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:54,336 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:54,337 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:54,410 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:54,411 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:54,484 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:54,486 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:54,561 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:54,563 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:54,638 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:54,639 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:54,712 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:54,713 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:54,800 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:54,802 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:54,896 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:54,898 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:54,991 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:54,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:55,090 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:55,092 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:55,219 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:55,221 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:55,325 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:55,327 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:55,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:55,435 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:55,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:55,540 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:55,652 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:55,654 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:55,764 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:55,765 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:55,878 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:55,880 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:55,993 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:55,995 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:56,117 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:56,118 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:56,246 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:56,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:56,383 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:56,384 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:56,519 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:56,521 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:56,660 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:56,662 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:56,799 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:56,800 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:56,939 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:56,941 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:57,093 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:57,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:57,250 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:57,252 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:57,404 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:57,405 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:57,562 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:57,564 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:57,718 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:57,720 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:57,885 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:57,887 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:58,050 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:58,052 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:58,227 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:58,228 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:58,401 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:58,402 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:58,582 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:58,584 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:58,760 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:58,761 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:58,943 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:58,945 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:59,114 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:59,116 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:59,300 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:59,302 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:59,490 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:59,491 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:59,685 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:59,687 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:54:59,885 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:54:59,886 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:00,085 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:00,087 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:00,298 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:00,300 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:00,507 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:00,509 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:00,719 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:00,720 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:00,933 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:00,935 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:01,150 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:01,151 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:01,357 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:01,358 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:01,581 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:01,582 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:01,803 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:01,805 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:02,030 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:02,031 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:02,272 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:02,273 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:02,504 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:02,506 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:02,748 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:02,750 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:02,990 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:02,991 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:03,230 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:03,232 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:03,484 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:03,486 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:03,765 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:03,767 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:04,021 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:04,023 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:04,275 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:04,277 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:04,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:04,549 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:04,812 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:04,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:05,077 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:05,079 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:05,344 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:05,346 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:05,641 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:05,643 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:05,915 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:05,917 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:06,212 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:06,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:06,486 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:06,488 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:06,774 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:06,776 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:07,076 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:07,078 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:07,368 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:07,369 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:07,650 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:07,652 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:07,923 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:07,925 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:08,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:08,183 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:08,428 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:08,430 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:08,674 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:08,675 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:08,936 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:08,937 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:09,191 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:09,193 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:09,491 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:09,493 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:09,823 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:09,825 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:10,155 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:10,156 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:10,524 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:10,526 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:10,862 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:10,863 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:11,205 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:11,207 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:11,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:11,549 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:11,894 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:11,896 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:12,248 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:12,250 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:12,604 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:12,606 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:12,963 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:12,964 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:13,324 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:13,326 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:13,685 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:13,687 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:14,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:55:14,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:55:14,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:55:14,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1778633134] [2021-02-23 18:55:14,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:55:14,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [103] imperfect sequences [] total 103 [2021-02-23 18:55:14,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3119797] [2021-02-23 18:55:14,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 103 states [2021-02-23 18:55:14,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:55:14,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2021-02-23 18:55:14,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2604, Invalid=7902, Unknown=0, NotChecked=0, Total=10506 [2021-02-23 18:55:14,725 INFO L87 Difference]: Start difference. First operand 346 states and 351 transitions. Second operand 103 states. [2021-02-23 18:55:16,071 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-23 18:55:45,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:55:45,424 INFO L93 Difference]: Finished difference Result 393 states and 403 transitions. [2021-02-23 18:55:45,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-02-23 18:55:45,427 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 335 [2021-02-23 18:55:45,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:55:45,430 INFO L225 Difference]: With dead ends: 393 [2021-02-23 18:55:45,430 INFO L226 Difference]: Without dead ends: 356 [2021-02-23 18:55:45,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7491 ImplicationChecksByTransitivity, 47.5s TimeCoverageRelationStatistics Valid=12467, Invalid=28539, Unknown=0, NotChecked=0, Total=41006 [2021-02-23 18:55:45,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-02-23 18:55:45,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 352. [2021-02-23 18:55:45,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2021-02-23 18:55:45,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 357 transitions. [2021-02-23 18:55:45,555 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 357 transitions. Word has length 335 [2021-02-23 18:55:45,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:55:45,556 INFO L480 AbstractCegarLoop]: Abstraction has 352 states and 357 transitions. [2021-02-23 18:55:45,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 103 states. [2021-02-23 18:55:45,556 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 357 transitions. [2021-02-23 18:55:45,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-02-23 18:55:45,558 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:55:45,558 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] [2021-02-23 18:55:45,559 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-02-23 18:55:45,559 INFO L428 AbstractCegarLoop]: === Iteration 52 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:55:45,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:55:45,559 INFO L82 PathProgramCache]: Analyzing trace with hash -2093911604, now seen corresponding path program 49 times [2021-02-23 18:55:45,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:55:45,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1932141279] [2021-02-23 18:55:45,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:55:45,577 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:55:45,578 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:55:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:55:45,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:55:45,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:55:45,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:55:45,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:55:45,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:55:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:55:45,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:55:45,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:55:45,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:55:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:55:45,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:55:45,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:55:45,990 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:55:45,992 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:55:46,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:46,024 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:46,087 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:46,089 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:46,158 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:46,160 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:46,233 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:46,238 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:46,308 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:46,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:46,388 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:46,390 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:46,475 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:46,477 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:46,560 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:46,562 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:46,644 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:46,646 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:46,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:46,743 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:46,834 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:46,836 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:46,933 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:46,934 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:47,034 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:47,036 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:47,143 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:47,145 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:47,254 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:47,256 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:47,364 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:47,365 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:47,467 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:47,468 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:47,561 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:47,562 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:47,675 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:47,676 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:47,801 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:47,803 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:47,917 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:47,918 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:48,019 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:48,021 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:48,123 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:48,125 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:48,256 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:48,257 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:48,370 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:48,371 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:48,516 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:48,520 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:48,681 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:48,683 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:48,842 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:48,843 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:49,004 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:49,006 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:49,171 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:49,173 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:49,338 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:49,340 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:49,513 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:49,515 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:49,688 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:49,690 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:49,868 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:49,870 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:50,049 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:50,051 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:50,241 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:50,243 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:50,438 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:50,440 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:50,626 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:50,628 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:50,814 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:50,816 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:51,010 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:51,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:51,212 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:51,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:51,419 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:51,420 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:51,621 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:51,622 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:51,835 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:51,837 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:52,047 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:52,048 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:52,265 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:52,267 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:52,490 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:52,491 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:52,714 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:52,716 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:52,942 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:52,944 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:53,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:53,183 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:53,416 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:53,417 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:53,667 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:53,669 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:53,905 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:53,907 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:54,145 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:54,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:54,395 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:54,397 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:54,656 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:54,658 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:54,914 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:54,916 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:55,179 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:55,180 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:55,445 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:55,447 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:55,710 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:55,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:55,980 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:55,982 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:56,252 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:56,254 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:56,535 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:56,537 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:56,813 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:56,815 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:57,096 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:57,097 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:57,381 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:57,383 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:57,683 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:57,685 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:57,984 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:57,985 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:58,289 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:58,292 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:58,595 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:58,597 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:58,904 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:58,906 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:59,215 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:59,218 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:59,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:59,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:55:59,877 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:55:59,879 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:00,212 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:00,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:00,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:00,542 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:00,869 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:00,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:01,204 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:01,206 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:01,545 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:01,547 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:01,892 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:01,894 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:02,241 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:02,242 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:02,595 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:02,597 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:02,948 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:02,950 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:03,315 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:03,316 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:03,670 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:03,672 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:04,035 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:04,036 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:04,404 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:04,406 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:04,775 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:04,777 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:05,164 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:05,166 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:05,564 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:05,565 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:05,947 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:05,949 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:06,333 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:06,335 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:06,722 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:06,724 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:07,119 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:07,121 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:07,518 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:07,520 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:07,904 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:07,906 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:08,311 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:08,313 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:08,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:08,728 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:09,146 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:09,148 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:09,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:56:09,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:56:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:56:10,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1932141279] [2021-02-23 18:56:10,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:56:10,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [105] imperfect sequences [] total 105 [2021-02-23 18:56:10,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135746010] [2021-02-23 18:56:10,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 105 states [2021-02-23 18:56:10,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:56:10,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2021-02-23 18:56:10,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2707, Invalid=8213, Unknown=0, NotChecked=0, Total=10920 [2021-02-23 18:56:10,145 INFO L87 Difference]: Start difference. First operand 352 states and 357 transitions. Second operand 105 states. [2021-02-23 18:56:11,469 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-23 18:56:44,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:56:44,579 INFO L93 Difference]: Finished difference Result 399 states and 409 transitions. [2021-02-23 18:56:44,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-02-23 18:56:44,584 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 341 [2021-02-23 18:56:44,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:56:44,586 INFO L225 Difference]: With dead ends: 399 [2021-02-23 18:56:44,586 INFO L226 Difference]: Without dead ends: 362 [2021-02-23 18:56:44,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7794 ImplicationChecksByTransitivity, 54.2s TimeCoverageRelationStatistics Valid=12971, Invalid=29671, Unknown=0, NotChecked=0, Total=42642 [2021-02-23 18:56:44,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-02-23 18:56:44,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 358. [2021-02-23 18:56:44,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2021-02-23 18:56:44,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 363 transitions. [2021-02-23 18:56:44,709 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 363 transitions. Word has length 341 [2021-02-23 18:56:44,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:56:44,709 INFO L480 AbstractCegarLoop]: Abstraction has 358 states and 363 transitions. [2021-02-23 18:56:44,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 105 states. [2021-02-23 18:56:44,709 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 363 transitions. [2021-02-23 18:56:44,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-02-23 18:56:44,712 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:56:44,713 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] [2021-02-23 18:56:44,713 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-02-23 18:56:44,713 INFO L428 AbstractCegarLoop]: === Iteration 53 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:56:44,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:56:44,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1127640856, now seen corresponding path program 50 times [2021-02-23 18:56:44,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:56:44,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573152779] [2021-02-23 18:56:44,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:56:44,743 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:56:44,745 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:56:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:56:44,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:56:44,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:56:44,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:56:44,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:56:45,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:56:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:56:45,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:56:45,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:56:45,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:56:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:56:45,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:56:45,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:56:45,327 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:56:45,330 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:56:45,362 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:45,364 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:45,437 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:45,439 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:45,514 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:45,516 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:45,598 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:45,600 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:45,682 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:45,684 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:45,772 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:45,774 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:45,868 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:45,870 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:45,995 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:45,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:46,102 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:46,104 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:46,206 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:46,208 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:46,313 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:46,315 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:46,428 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:46,430 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:46,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:46,549 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:46,668 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:46,670 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:46,793 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:46,794 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:46,916 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:46,918 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:47,049 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:47,051 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:47,188 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:47,190 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:47,327 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:47,329 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:47,468 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:47,470 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:47,617 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:47,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:47,770 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:47,772 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:47,914 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:47,916 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:48,070 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:48,072 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:48,225 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:48,226 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:48,394 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:48,396 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:48,560 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:48,562 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:48,732 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:48,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:48,912 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:48,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:49,092 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:49,095 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:49,270 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:49,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:49,452 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:49,454 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:49,637 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:49,639 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:49,828 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:49,831 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:50,027 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:50,029 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:50,212 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:50,214 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:50,417 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:50,419 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:50,632 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:50,634 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:50,850 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:50,853 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:51,073 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:51,075 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:51,305 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:51,306 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:51,531 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:51,533 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:51,755 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:51,757 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:51,988 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:51,990 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:52,229 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:52,231 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:52,499 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:52,500 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:52,739 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:52,741 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:52,987 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:52,991 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:53,241 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:53,242 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:53,491 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:53,493 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:53,747 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:53,749 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:54,000 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:54,002 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:54,269 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:54,271 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:54,541 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:54,542 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:54,816 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:54,817 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:55,090 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:55,092 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:55,370 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:55,371 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:55,658 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:55,660 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:55,949 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:55,951 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:56,236 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:56,238 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:56,539 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:56,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:56,846 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:56,847 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:57,149 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:57,150 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:57,444 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:57,446 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:57,757 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:57,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:58,073 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:58,075 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:58,392 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:58,394 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:58,728 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:58,730 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:59,053 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:59,055 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:59,390 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:59,392 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:56:59,718 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:56:59,720 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:00,053 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:00,055 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:00,395 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:00,397 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:00,736 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:00,738 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:01,088 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:01,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:01,450 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:01,452 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:01,816 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:01,818 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:02,182 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:02,184 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:02,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:02,540 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:02,912 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:02,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:03,286 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:03,288 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:03,658 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:03,660 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:04,037 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:04,039 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:04,432 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:04,434 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:04,824 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:04,826 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:05,236 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:05,238 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:05,639 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:05,642 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:06,043 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:06,045 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:06,430 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:06,432 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:06,843 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:06,844 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:07,261 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:07,263 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:07,677 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:07,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:08,098 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:08,101 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:08,516 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:08,517 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:08,928 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:08,930 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:09,370 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:09,372 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:09,804 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:09,806 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:10,234 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:10,236 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:10,675 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:10,676 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:11,124 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:11,126 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:11,586 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:11,588 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:12,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:57:12,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:57:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:57:12,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573152779] [2021-02-23 18:57:12,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:57:12,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [107] imperfect sequences [] total 107 [2021-02-23 18:57:12,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501256102] [2021-02-23 18:57:12,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 107 states [2021-02-23 18:57:12,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:57:12,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2021-02-23 18:57:12,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2812, Invalid=8530, Unknown=0, NotChecked=0, Total=11342 [2021-02-23 18:57:12,683 INFO L87 Difference]: Start difference. First operand 358 states and 363 transitions. Second operand 107 states. [2021-02-23 18:57:14,680 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-23 18:57:52,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:57:52,020 INFO L93 Difference]: Finished difference Result 405 states and 415 transitions. [2021-02-23 18:57:52,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2021-02-23 18:57:52,026 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 347 [2021-02-23 18:57:52,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:57:52,027 INFO L225 Difference]: With dead ends: 405 [2021-02-23 18:57:52,027 INFO L226 Difference]: Without dead ends: 368 [2021-02-23 18:57:52,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8103 ImplicationChecksByTransitivity, 61.1s TimeCoverageRelationStatistics Valid=13485, Invalid=30825, Unknown=0, NotChecked=0, Total=44310 [2021-02-23 18:57:52,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-02-23 18:57:52,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 364. [2021-02-23 18:57:52,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-02-23 18:57:52,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 369 transitions. [2021-02-23 18:57:52,099 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 369 transitions. Word has length 347 [2021-02-23 18:57:52,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:57:52,100 INFO L480 AbstractCegarLoop]: Abstraction has 364 states and 369 transitions. [2021-02-23 18:57:52,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 107 states. [2021-02-23 18:57:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 369 transitions. [2021-02-23 18:57:52,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-02-23 18:57:52,102 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:57:52,103 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] [2021-02-23 18:57:52,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-02-23 18:57:52,103 INFO L428 AbstractCegarLoop]: === Iteration 54 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:57:52,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:57:52,104 INFO L82 PathProgramCache]: Analyzing trace with hash 247261956, now seen corresponding path program 51 times [2021-02-23 18:57:52,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:57:52,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1132200339] [2021-02-23 18:57:52,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:57:52,121 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:57:52,122 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:57:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:57:52,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:57:52,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:57:52,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:57:52,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:57:52,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:57:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:57:52,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:57:52,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:57:52,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:57:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:57:52,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:57:52,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:57:52,528 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:57:52,530 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:57:52,565 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:52,569 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:52,658 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:52,660 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:52,741 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:52,743 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:52,827 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:52,829 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:52,918 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:52,919 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:53,015 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:53,017 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:53,117 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:53,119 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:53,227 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:53,229 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:53,335 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:53,337 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:53,450 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:53,451 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:53,569 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:53,571 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:53,688 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:53,690 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:53,819 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:53,821 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:53,947 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:53,949 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:54,082 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:54,084 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:54,233 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:54,235 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:54,375 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:54,377 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:54,526 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:54,527 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:54,673 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:54,675 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:54,828 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:54,831 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:54,991 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:54,992 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:55,155 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:55,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:55,321 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:55,322 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:55,483 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:55,486 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:55,660 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:55,662 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:55,821 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:55,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:55,992 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:55,993 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:56,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:56,183 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:56,373 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:56,374 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:56,556 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:56,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:56,748 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:56,751 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:56,951 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:56,953 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:57,155 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:57,157 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:57,356 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:57,358 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:57,567 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:57,569 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:57,784 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:57,786 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:58,011 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:58,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:58,244 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:58,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:58,477 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:58,479 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:58,710 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:58,712 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:58,940 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:58,941 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:59,173 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:59,175 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:59,423 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:59,424 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:59,669 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:59,671 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:57:59,927 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:57:59,929 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:00,185 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:00,186 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:00,447 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:00,449 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:00,695 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:00,697 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:00,995 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:00,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:01,271 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:01,273 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:01,551 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:01,553 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:01,835 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:01,837 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:02,113 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:02,115 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:02,405 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:02,407 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:02,695 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:02,697 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:03,011 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:03,013 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:03,314 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:03,317 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:03,630 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:03,632 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:03,929 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:03,931 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:04,246 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:04,248 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:04,550 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:04,552 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:04,875 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:04,877 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:05,200 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:05,202 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:05,523 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:05,525 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:05,863 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:05,864 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:06,193 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:06,196 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:06,550 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:06,552 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:06,897 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:06,898 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:07,251 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:07,253 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:07,617 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:07,619 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:08,000 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:08,001 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:08,369 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:08,370 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:08,736 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:08,738 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:09,112 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:09,114 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:09,450 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:09,452 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:09,806 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:09,808 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:10,120 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:10,122 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:10,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:10,436 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:10,744 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:10,745 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:11,049 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:11,050 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:11,358 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:11,360 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:11,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:11,694 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:12,111 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:12,114 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:12,539 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:12,541 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:12,977 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:12,979 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:13,415 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:13,417 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:13,852 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:13,854 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:14,313 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:14,315 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:14,763 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:14,765 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:15,217 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:15,219 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:15,678 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:15,680 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:16,139 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:16,141 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:16,604 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:16,606 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:17,080 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:17,083 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:17,556 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:17,560 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:18,041 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:18,044 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:18,532 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:18,534 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:19,020 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:19,022 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:19,497 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:19,499 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:19,967 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:19,969 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:20,471 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:20,473 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:21,002 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:21,004 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:21,514 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:58:21,516 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:58:22,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:58:22,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:58:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:58:22,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1132200339] [2021-02-23 18:58:22,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:58:22,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [109] imperfect sequences [] total 109 [2021-02-23 18:58:22,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167952136] [2021-02-23 18:58:22,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 109 states [2021-02-23 18:58:22,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:58:22,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2021-02-23 18:58:22,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2919, Invalid=8853, Unknown=0, NotChecked=0, Total=11772 [2021-02-23 18:58:22,704 INFO L87 Difference]: Start difference. First operand 364 states and 369 transitions. Second operand 109 states. [2021-02-23 18:58:23,651 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-02-23 18:58:24,501 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-23 18:59:06,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:59:06,168 INFO L93 Difference]: Finished difference Result 411 states and 421 transitions. [2021-02-23 18:59:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-02-23 18:59:06,174 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 353 [2021-02-23 18:59:06,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:59:06,179 INFO L225 Difference]: With dead ends: 411 [2021-02-23 18:59:06,179 INFO L226 Difference]: Without dead ends: 374 [2021-02-23 18:59:06,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8418 ImplicationChecksByTransitivity, 68.4s TimeCoverageRelationStatistics Valid=14009, Invalid=32001, Unknown=0, NotChecked=0, Total=46010 [2021-02-23 18:59:06,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-02-23 18:59:06,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 370. [2021-02-23 18:59:06,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2021-02-23 18:59:06,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 375 transitions. [2021-02-23 18:59:06,260 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 375 transitions. Word has length 353 [2021-02-23 18:59:06,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:59:06,260 INFO L480 AbstractCegarLoop]: Abstraction has 370 states and 375 transitions. [2021-02-23 18:59:06,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 109 states. [2021-02-23 18:59:06,261 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 375 transitions. [2021-02-23 18:59:06,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-02-23 18:59:06,263 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:59:06,263 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] [2021-02-23 18:59:06,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-02-23 18:59:06,264 INFO L428 AbstractCegarLoop]: === Iteration 55 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:59:06,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:59:06,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1737277408, now seen corresponding path program 52 times [2021-02-23 18:59:06,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:59:06,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2128939165] [2021-02-23 18:59:06,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:59:06,282 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:59:06,284 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:59:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:59:06,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:59:06,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:59:06,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:59:06,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:59:06,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:59:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:59:06,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:59:06,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:59:06,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:59:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:59:06,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:59:06,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:59:06,775 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 18:59:06,777 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 18:59:06,811 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:06,813 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:06,899 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:06,901 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:06,995 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:06,997 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:07,088 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:07,090 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:07,190 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:07,192 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:07,299 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:07,302 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:07,409 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:07,411 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:07,526 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:07,528 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:07,646 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:07,648 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:07,767 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:07,769 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:07,899 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:07,902 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:08,032 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:08,034 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:08,167 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:08,170 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:08,308 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:08,310 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:08,448 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:08,450 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:08,600 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:08,602 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:08,753 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:08,755 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:08,912 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:08,914 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:09,074 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:09,076 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:09,244 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:09,246 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:09,425 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:09,427 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:09,591 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:09,592 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:09,732 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:09,734 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:09,908 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:09,910 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:10,098 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:10,100 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:10,265 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:10,267 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:10,414 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:10,416 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:10,570 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:10,571 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:10,727 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:10,729 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:10,905 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:10,907 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:11,125 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:11,127 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:11,347 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:11,349 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:11,577 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:11,579 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:11,807 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:11,809 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:12,043 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:12,046 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:12,285 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:12,287 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:12,526 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:12,528 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:12,778 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:12,780 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:13,031 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:13,033 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:13,294 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:13,297 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:13,572 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:13,574 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:13,864 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:13,866 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:14,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:14,144 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:14,417 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:14,419 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:14,708 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:14,711 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:14,996 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:14,998 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:15,290 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:15,292 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:15,585 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:15,587 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:15,888 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:15,890 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:16,189 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:16,191 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:16,495 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:16,497 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:16,808 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:16,810 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:17,128 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:17,131 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:17,450 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:17,452 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:17,782 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:17,784 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:18,113 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:18,115 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:18,454 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:18,456 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:18,795 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:18,797 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:19,136 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:19,138 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:19,457 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:19,460 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:19,818 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:19,820 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:20,181 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:20,183 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:20,544 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:20,546 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:20,921 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:20,923 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:21,317 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:21,319 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:21,693 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:21,696 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:22,075 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:22,077 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:22,460 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:22,463 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:22,855 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:22,857 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:23,256 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:23,259 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:23,660 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:23,662 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:24,063 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:24,065 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:24,473 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:24,475 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:24,888 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:24,891 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:25,299 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:25,301 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:25,715 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:25,718 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:26,142 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:26,144 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:26,584 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:26,586 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:27,033 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:27,036 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:27,480 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:27,482 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:27,933 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:27,936 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:28,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:28,401 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:28,886 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:28,888 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:29,353 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:29,355 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:29,820 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:29,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:30,300 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:30,303 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:30,780 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:30,782 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:31,264 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:31,266 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:31,752 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:31,754 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:32,245 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:32,247 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:32,742 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:32,744 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:33,247 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:33,250 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:33,756 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:33,757 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:34,267 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:34,269 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:34,785 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:34,787 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:35,312 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:35,314 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:35,838 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:35,840 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:36,369 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:36,371 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:36,919 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:36,921 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:37,458 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:37,460 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:38,003 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:38,005 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:38,558 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:38,560 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:39,107 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:39,109 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:39,667 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:39,670 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:40,234 WARN L141 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-02-23 18:59:40,237 WARN L147 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size 16 [2021-02-23 18:59:40,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:59:40,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:59:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:59:41,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2128939165] [2021-02-23 18:59:41,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:59:41,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [111] imperfect sequences [] total 111 [2021-02-23 18:59:41,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718402995] [2021-02-23 18:59:41,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 111 states [2021-02-23 18:59:41,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:59:41,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2021-02-23 18:59:41,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3028, Invalid=9182, Unknown=0, NotChecked=0, Total=12210 [2021-02-23 18:59:41,510 INFO L87 Difference]: Start difference. First operand 370 states and 375 transitions. Second operand 111 states. [2021-02-23 18:59:43,853 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-02-23 18:59:44,579 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 45